'Fish On'-Line: A Web-accessible Database of Aquatic Biological Data
100 Year Floodplains - SPC region
108th Congressional Districts for the Delaware River Basin Area 2004
1990 land use for part of Muddy Creek basin, Rhode River, MD
1996 Brood year Steelhead growth and early life-history transitions
1998 Lancaster County building arcs
1999 Habitat Map
1:100,000 Digital Raster Graphics for Delaware
1:100,000 Digital Raster Graphics for Maryland
1:100,000 Digital Raster Graphics for Maryland_1
1:100,000 Digital Raster Graphics for Virginia
1:100,000 Digital Raster Graphics for West Virginia
1:24,000 - 7.5 minute Digital Raster Graphics for Maryland
1:24,000 - 7.5 minute Digital Raster Graphics for New Jersey
1:24,000 - 7.5 minute Digital Raster Graphics for West Virginia
1:24,000 - 7.5 minute Digital Raster Graphics for the District of Columbia
1:250,000 Digital Raster Graphics for Delaware
1:250,000 Digital Raster Graphics for Maryland
1:250,000 Digital Raster Graphics for Maryland_1
1:250,000 Digital Raster Graphics for Virginia
1:250,000 Digital Raster Graphics for West Virginia
2000 land use for Muddy Creek basin, Rhode River, MD
2006 PFBC Managed Flowing Waters
2006 Susquehanna River Basin Boundary
2007 PFBC Managed Flowing Waters
2007 PFBC Managed Flowing Waters_1
2007 PFBC Managed Flowing Waters_2
2007 PFBC Managed Flowing Waters_3
2008 Trout Stocked Flowing Waters
2008 Trout Stocked Waters
2008 Warmwater/Coolwater Stocked Flowing Waters
2009 Trout Stocked Flowing Waters
25% or Greater Slope - SPC region
2nd Pennsylvania Breeding Bird Atlas
2nd Pennsylvania Breeding Bird Atlas_1
3.75-minute quarter quadrangle boundary index for Pennsylvania
30-Year Precipitation dataset (1971-2000) for the Susquehanna River Basin
7.5 minute Digital Raster Graphics for Pennsylvania
7.5 minute Digital Raster Graphics for Pennsylvania - UTM grid - NAD 1983 - cropped collars
7.5 minute Digital Raster Graphics for Pennsylvania - cropped collars
7.5 minute Digital Raster Graphics for Pennsylvania - cropped collars_1
7.5 minute Digital Raster Graphics for Pennsylvania UTM grid - NAD 1983
7.5 minute digital elevation models (DEM) for Pennsylvania (30 meter)
7.5 minute digital elevation models (DEM) for Pennsylvania 10 meter
7.5 minute digital elevation models (DEM) for Virginia (30 meter)
7.5 minute digital elevation models (DEM) for West Virginia (30 meter)
7.5 minute digital elevation models (DEM) for the District of Columbia (30 meter)
A 4500-Year Record of Fire and Vegetation Change in Central Siberia Based on Calibrated Sediment Charcoal Accumulation
A Checklist of British and Irish Dragonfly Species
A Geographic Information System Database for Environmental Contaminants in the Rio Grande/Rio Bravo Basin
A Watershed Action Plan for the Elizabeth River
A voyage to the islands Madera, Barbados, Nieves, S. Christophers and Jamaica, with the natural history of the herbs and trees, four-footed beasts, fishes, birds, insects, and reptiles (Vol 1-2)
ACE Basin National Estuarine Research Reserve Water Quality Data
ACE Basin National Estuarine Research Reserve Water Quality Data in 1995
ACE Basin National Estuarine Research Reserve Water Quality Data in 1996
AFM Areas
AFM Offices
ALLARM Pennsylvania water quality database
ALLARM Pennsylvania water quality database_1
AML Inventory Sites
AML Inventory Sites_1
AML Inventory Sites_10
AML Inventory Sites_2
AML Inventory Sites_3
AML Inventory Sites_4
AML Inventory Sites_5
AML Inventory Sites_6
AML Inventory Sites_7
AML Inventory Sites_8
AML Inventory Sites_9
AML Points Feature
AML Points Feature_1
AML Points Feature_2
AML Points Feature_3
AML Points Feature_4
AML Points Feature_5
AML Points Feature_6
AML Points Feature_7
AML Points Feature_8
AML Polygons Feature
AML Polygons Feature_1
AML Polygons Feature_10
AML Polygons Feature_2
AML Polygons Feature_3
AML Polygons Feature_4
AML Polygons Feature_5
AML Polygons Feature_6
AML Polygons Feature_7
AML Polygons Feature_8
AML Polygons Feature_9
Abandoned Mine Land Inventory 1998
Abandoned Mine Land Inventory Points
Abandoned Mine Land Inventory Points_1
Accumulation of Dioxins and Furans in Sediment and Biota
Accumulation of Dioxins and Furans in Sediment and Biota in the Lower Columbia Wauna River Area.
Accuracy Assessment Site Spatial Database for the Effigy Mounds National Monument Vegetation Mapping Project
Acid Mine Drainage Impact Study Sites and Summary Tables
Acid Mine Drainage Impact Study Sites and Summary Tables_1
Acid Mine Drainage Impact Study: Water quality and Stream Reach
Acid Mine Drainage Impact Study: Water quality and Stream Reach_1
Acoustic Doppler Current Profiler Data Sets from Fixed Vessel
Act 1 United States Congressional District Boundaries
Active Railroads
Active Railways in Pennsylvania
Aerial Photographic Analysis Tennessee Products Site Chattanooga, Tennessee
Aerial Photographic Analysis Tennessee Products Site Chattanooga, Tennessee_1
Aerial Photographic Analysis Tennessee Products Site Chattanooga, Tennessee_10
Aerial Photographic Analysis Tennessee Products Site Chattanooga, Tennessee_11
Aerial Photographic Analysis Tennessee Products Site Chattanooga, Tennessee_12
Aerial Photographic Analysis Tennessee Products Site Chattanooga, Tennessee_13
Aerial Photographic Analysis Tennessee Products Site Chattanooga, Tennessee_14
Aerial Photographic Analysis Tennessee Products Site Chattanooga, Tennessee_15
Aerial Photographic Analysis Tennessee Products Site Chattanooga, Tennessee_16
Aerial Photographic Analysis Tennessee Products Site Chattanooga, Tennessee_17
Aerial Photographic Analysis Tennessee Products Site Chattanooga, Tennessee_18
Aerial Photographic Analysis Tennessee Products Site Chattanooga, Tennessee_19
Aerial Photographic Analysis Tennessee Products Site Chattanooga, Tennessee_2
Aerial Photographic Analysis Tennessee Products Site Chattanooga, Tennessee_20
Aerial Photographic Analysis Tennessee Products Site Chattanooga, Tennessee_21
Aerial Photographic Analysis Tennessee Products Site Chattanooga, Tennessee_22
Aerial Photographic Analysis Tennessee Products Site Chattanooga, Tennessee_23
Aerial Photographic Analysis Tennessee Products Site Chattanooga, Tennessee_24
Aerial Photographic Analysis Tennessee Products Site Chattanooga, Tennessee_25
Aerial Photographic Analysis Tennessee Products Site Chattanooga, Tennessee_26
Aerial Photographic Analysis Tennessee Products Site Chattanooga, Tennessee_27
Aerial Photographic Analysis Tennessee Products Site Chattanooga, Tennessee_28
Aerial Photographic Analysis Tennessee Products Site Chattanooga, Tennessee_29
Aerial Photographic Analysis Tennessee Products Site Chattanooga, Tennessee_3
Aerial Photographic Analysis Tennessee Products Site Chattanooga, Tennessee_30
Aerial Photographic Analysis Tennessee Products Site Chattanooga, Tennessee_31
Aerial Photographic Analysis Tennessee Products Site Chattanooga, Tennessee_32
Aerial Photographic Analysis Tennessee Products Site Chattanooga, Tennessee_33
Aerial Photographic Analysis Tennessee Products Site Chattanooga, Tennessee_34
Aerial Photographic Analysis Tennessee Products Site Chattanooga, Tennessee_35
Aerial Photographic Analysis Tennessee Products Site Chattanooga, Tennessee_36
Aerial Photographic Analysis Tennessee Products Site Chattanooga, Tennessee_37
Aerial Photographic Analysis Tennessee Products Site Chattanooga, Tennessee_38
Aerial Photographic Analysis Tennessee Products Site Chattanooga, Tennessee_39
Aerial Photographic Analysis Tennessee Products Site Chattanooga, Tennessee_4
Aerial Photographic Analysis Tennessee Products Site Chattanooga, Tennessee_5
Aerial Photographic Analysis Tennessee Products Site Chattanooga, Tennessee_6
Aerial Photographic Analysis Tennessee Products Site Chattanooga, Tennessee_7
Aerial Photographic Analysis Tennessee Products Site Chattanooga, Tennessee_8
Aerial Photographic Analysis Tennessee Products Site Chattanooga, Tennessee_9
Agricultural Security Areas
Agricultural Security Areas - SPC Region
Air Emission Plant
Air Emission Plants
Air Emission Plants_1
Air Emission Plants_10
Air Emission Plants_11
Air Emission Plants_12
Air Emission Plants_13
Air Emission Plants_2
Air Emission Plants_3
Air Emission Plants_4
Air Emission Plants_5
Air Emission Plants_6
Air Emission Plants_7
Air Emission Plants_8
Air Emission Plants_9
Air Quality Initiative: Amphibians - Hatching Success Data
Air Quality Initiative: Amphibians - Temperature Data
Air Quality Investigations - Biological Sampling Data
Air Releases (AIRS/AFS)
Airports - SPC region
Airports and Helipads
Albatross Bay Adult Prawn Data 1986-1992
Albatross Bay Chlorophyll Data 1986-1992
Albatross Bay Fish Data 1986-1988
Albatross Bay Nearshore Fish Study 1991-1992
Albatross Bay Nutrient Data 1992
Albatross Bay Phytoplankton Data 1986-1992
Albatross Bay Prawn Larval Data
Albatross Bay Primary Productivity
Alien Plant Invaders of a Natural Areas
All Metrics: Eastern Brook Trout Joint Venture
Allegany County, Maryland floodplains
Allegheny County - Basins
Allegheny County - Blocks
Allegheny County - Building Footprints
Allegheny County - Building Footprints_1
Allegheny County - Cemeteries
Allegheny County - Contours
Allegheny County - Councils of Government
Allegheny County - County Council Districts
Allegheny County - Floodplain
Allegheny County - Golf
Allegheny County - Greenareas
Allegheny County - Hydrology Areas
Allegheny County - Hydrology Lines
Allegheny County - Index
Allegheny County - Land Use
Allegheny County - Landslide
Allegheny County - Library
Allegheny County - Municipal boundaries
Allegheny County - NHI (Natural Heritage Inventory)
Allegheny County - NWI (National Wetlands Inventory)
Allegheny County - Parcels
Allegheny County - Parcels_1
Allegheny County - Parcels_2
Allegheny County - Parking
Allegheny County - Parks
Allegheny County - Pools
Allegheny County - Public Buildings
Allegheny County - Railroad Lines
Allegheny County - Retaining Walls
Allegheny County - Soils
Allegheny County - Spot Elevation
Allegheny County - Street Centerlines
Allegheny County - Street Edge of Pavement
Allegheny County - Watersheds
Allegheny County - Zoning
Allegheny County Municipal boundaries 2009
Allegheny County Parcels
Allegheny County Parcels 2009
Allegheny County Parcels 2009 06
Allegheny County Parcels 2009 07
Allegheny County Parcels 200905
Allegheny County Parcels 200908
Allegheny County Parcels 200909
Allegheny County Parcels 200910
Allegheny County Parcels 200911
Allegheny County Parcels 2009_1
Allegheny County Parcels_1
Allegheny County Parcels_2
Allegheny County Parcels_3
Allegheny County Parcels_4
Allegheny County Voting Districts 2008
Allegheny County: Landscape Ecology and Green Infrastructure
AlleghenyCounty - Landcover2000
AlleghenyCounty - Railroad Lines 2006
AlleghenyCounty - Voting Districts 2007
AlleghenyCounty_Parcels200810
Ambient and Fixed Station Network (FSN) Groundwater Monitoring Point Data (1985 - 1998)
Ambulatory Surgery Centers
Ambulatory Surgery Centers_1
Ambulatory Surgery Centers_2
Ambulatory Surgical Centers
Amusement Parks- SPC Region
An Assesment of Metals Contamination in Lake Roosevelt
An Automated Photo-identification Catalog for Studies of the Life History of the Florida Manatee
Anadromous Fish Hatcheries
Animal Diversity Web
Anne Arundel - Chesapeake Bay Critical Area
Anne Arundel County, Maryland floodplains
Apalachicola National Estuarine Research Reserve Water Quality Data
Apalachicola National Estuarine Research Reserve Water Quality Data in 1995
Appalachian National Scenic Trail - Shelter Locations
Appalachian National Scenic Trail - Shelter Locations_1
Appalachian National Scenic Trail Centerline
Appalachian National Scenic Trail Centerline in Pennsylvania
Appalachian National Scenic Trail Centerline in Pennsylvania_1
Appalachian Trail - Beaverdam Creek
Appalachian Trail - Upper Holston River Watershed
Appalachian Trail - Upper Holston River Watershed_1
Appalachian Trail - Upper Nolichucky River Watershed
Appalachian Trail - Upper Nolichucky River Watershed_1
Appalachian Trail Environmental Monitoring- Counties with Zebra Mussels in the AT Corridor (broadly defined)
Appalachian Trail Environmental Monitoring- Counties with Zebra Mussels in the AT Corridor (broadly defined)_1
Appalachian Trail Environmental Monitoring- Streams and Waterbodies of the AT Corridor (broadly defined)
Appalachian Trail Environmental Monitoring- Streams and Waterbodies of the AT Corridor (broadly defined)_1
Appalachian Trail Environmental Monitoring- U.S. Fish and Wildlife Service Ecosystem regions for the AT Corridor (broadly defined)
Appalachian Trail Environmental Monitoring- U.S. Fish and Wildlife Service Ecosystem regions for the AT Corridor (broadly defined)_1
Appalachian Trail Environmental Monitoring- Watersheds of the AT Corridor (broadly defined)
Appalachian Trail Environmental Monitoring-Major Rivers of the AT Corridor (broadly defined)
Appalachian Trail Environmental Monitoring-Major Rivers of the AT Corridor (broadly defined)_1
Approved Trout Water Bodies (Points)
Approved Trout Water Bodies (Points)_1
Approved Trout Water Bodies (Points)_2
Approved Trout Water Bodies (Points)_3
Approved Trout Water Bodies (Points)_4
Approved Trout Water Bodies (Points)_5
Approved Trout Water Bodies (Polygons)
Approved Trout Water Bodies (Polygons)_1
Approved Trout Water Bodies (Polygons)_2
Approved Trout Water Bodies (Polygons)_3
Approved Trout Water Bodies (Polygons)_4
Approved Trout Water Bodies (Polygons)_5
Approved Trout Waters (Flowing Waters)
Approved Trout Waters (Flowing Waters)_1
Approved Trout Waters (Flowing Waters)_2
Approved Trout Waters (Flowing Waters)_3
Approved Trout Waters (Flowing Waters)_4
Approved Trout Waters (Flowing Waters)_5
Aquastat
Aquatic Community Classification Project
Aquatic Insects and Mites of South Africa
Aquatic Resources Group
Arctic National Wildlife Refuge (ANWR) Data Base, U.S. Fish and Wildlife Service, Alaska
Area Fisheries Management Offices
Atlantic Flyway Units
Attractions - SPC Region
Audubon - Christmas Bird Count
Auke Bay Climatology 1959-2006
Auke Bay Laboratory Mulitbeam Database
Australian Fish Species Distribution Maps
Australian Institute for Marine Sciences Long-Term Monitoring
Australian National Fish Collection
Average Annual Precipitation (PRISM model) 1961 - 1990
BDAT - Bay Delta and Tributaries Database
BEST 11 - Yakima River Pesticide, PCB, and Polynuclear Aromatic Hydrocarbon Study
BEST26sed - Reconaissance Survey of the lower Columbia River
BIOPLUME III - A 2D, Finite Difference Model for Simulating the Natural Attenuation of Organic Contaminants in Ground-Water
BIOPLUMEII - A Simulation that Computes Concentrations of Dissolved Hydrocarbon in an Aquifer
Badlands National Park 1997 Dams
Badlands National Park Streams
Badlands National Park Water Resources (poly)
Badlands National Park Waterfowl
Baltimore City - Chesapeake Bay Critical Area
Baltimore City, Marland floodplains
Baltimore County - Chesapeake Bay Critical Area
Baltimore County, Maryland floodplains
Barometric pressure data from SERC weather station
Baseline Biological Port Survey - Albany, Feb 1996
Bat Box database
Bat Hibernacula Database
Bear database
Beaverdam Creek Active Save Our Streams Sites
Beaverdam Creek Cemeteries Data from U.S. Geographic Names Information System
Beaverdam Creek Cemeteries Data from U.S. Geographic Names Information System_1
Beaverdam Creek Church Data from U.S. Geographic Names Information System
Beaverdam Creek Church Data from U.S. Geographic Names Information System_1
Beaverdam Creek Proposed Save Our Streams Sites
Beaverdam Creek Watershed Town Locations from the U.S. Geographic Names Information System Populated Places
Beaverdam Creek Watershed Town Locations from the U.S. Geographic Names Information System Populated Places_1
Bedrock Geology of Pennsylvania
Beneficial Land Uses
Beneficial Land Uses_1
Beneficial Land Uses_10
Beneficial Land Uses_11
Beneficial Land Uses_12
Beneficial Land Uses_13
Beneficial Land Uses_14
Beneficial Land Uses_2
Beneficial Land Uses_3
Beneficial Land Uses_4
Beneficial Land Uses_5
Beneficial Land Uses_6
Beneficial Land Uses_7
Beneficial Land Uses_8
Beneficial Land Uses_9
Benthic Brochure - The facinating world at the bottom of the Elizabeth
Benthic Fauna Data Collected by the Woods Hole Laboratories ...
Berks Riparian Streams
Bermuda Atlantic Time Series (BATS) Zooplankton Census
Bibliography for the Big River Fishes, Colorado River
Bicycle/Pedestrian network - SPC region
Big Brown Bat distribution in North America
Big Cypress National Preserve Fish Inventory & Monitoring Data - South Florida Information Access
Bike Trails
Bioaccumulation and Aquatic System Simulator (BASS)
Bioblitz zones for Erie Bluffs State Park
Biodiversity Maps of Fishes in California
Biodiversity Maps of Fishes in California_1
Biodiversity Pro : Free Statistics Software for Ecology.
Biodiversity and Environmental Resource Data System of Belize (BERDS)
Biogeoinformatics of Hexacorallia (corals, sea anemones, and their allies) interfacing geospatial, taxonomic, and environmental data for a group of marine invertebrates.
Biologia Centrali-Americana: Zoology, Botany and Archaeology (1879-1915; various texts)
Biological, Chemical, and Hydrographic Data from the NEMP/PULSE Ocean...
Biota of North America Program
Bird Conservation Areas - New York State (NYSDEC)
Birds Habitat
Birth Centers
Birth Centers_1
Birth Centers_2
Birth Centers_3
Birth Centers_4
Bloch's Fishes
Boating Special Regulation Lakes (Polygons)
Boating Special Regulation Lakes (Polygons)_1
Boating Special Regulation Lakes (Polygons)_2
Boating Special Regulation Streams
Boating Special Regulation Streams_1
Boating Special Regulation Streams_2
Boating Special Regulation Waters (Points)
Boating Special Regulation Waters (Points)_1
Boating Special Regulation Waters (Points)_2
Boundaries of State Parks in Pennsylvania
Boundaries of State Parks in Pennsylvania 2006
Boundaries of State Parks in Pennsylvania 2008
Boundaries of exceptional value watersheds
Bridges
Bridges and Tunnels
Bridges and Tunnels - hidden
Brownfields
Brownfields_1
Brownfields_2
Brownfields_3
Brownfields_4
Buildings
Butterflies and Moths of North America
CALFISH - Fish Data
CHRPD_salmonidrestorationprojects070518_all
COVERAGE flfo -- Florissant Fossil Beds National Monument Spatial Vegetation Data: Cover type / Association Level of the National Vegetation Classification System
CTD Profile Data Sets
CTD Profiles of the Chesapeake Bay 2000
CTD Profiles of the Chesapeake Bay, 1999
California Commercial Fisheries Catch Data Files
California Cooperative Fish and Habitat Data Program (CalFish)
California Sea Survey Data Files
California Streams 100K
California Wetfish Market Sample Data
Calvert County, Maryland floodplains
Campgrounds - SPC region
Captive Hazardous Waste Operations
Captive Hazardous Waste Operations_1
Captive Hazardous Waste Operations_10
Captive Hazardous Waste Operations_11
Captive Hazardous Waste Operations_12
Captive Hazardous Waste Operations_13
Captive Hazardous Waste Operations_14
Captive Hazardous Waste Operations_2
Captive Hazardous Waste Operations_3
Captive Hazardous Waste Operations_4
Captive Hazardous Waste Operations_5
Captive Hazardous Waste Operations_6
Captive Hazardous Waste Operations_7
Captive Hazardous Waste Operations_8
Captive Hazardous Waste Operations_9
Carolina Bays, Depressional Wetlands
Caroline County - Chesapeake Bay Critical Area
Caroline County, Maryland floodplains
Carroll County, Maryland floodplains
Catalog of Waters Important for Spawning, Rearing, or Migration of Anadromous Fishes - Arctic Region (line)
Catalog of Waters Important for Spawning, Rearing, or Migration of Anadromous Fishes - Arctic Region (point)
Catalog of Waters Important for Spawning, Rearing, or Migration of Anadromous Fishes - Interior Region (line)
Catalog of Waters Important for Spawning, Rearing, or Migration of Anadromous Fishes - Interior Region (point)
Catalog of Waters Important for Spawning, Rearing, or Migration of Anadromous Fishes - Southcentral Region (line)
Catalog of Waters Important for Spawning, Rearing, or Migration of Anadromous Fishes - Southcentral Region (point)
Catalog of Waters Important for Spawning, Rearing, or Migration of Anadromous Fishes - Southeastern Region (line)
Catalog of Waters Important for Spawning, Rearing, or Migration of Anadromous Fishes - Southeastern Region (point)
Catalog of Waters Important for Spawning, Rearing, or Migration of Anadromous Fishes - Southwestern Region (line)
Catalog of Waters Important for Spawning, Rearing, or Migration of Anadromous Fishes - Southwestern Region (point)
Catalog of Waters Important for Spawning, Rearing, or Migration of Anadromous Fishes - Western Region (line)
Catalog of Waters Important for Spawning, Rearing, or Migration of Anadromous Fishes - Western Region (point)
Cavity nesting bird datafile
Cecil County - Chesapeake Bay Critical Area
Cecil County, Maryland floodplains
Cemeteries - SPC region
Cemetery
Census Block Group Boundaries - SPC Region
Census Block Groups Centroids - SPC Region
Census Tract 2000
Census Tracts - SPC Region
Central California Recreational Fisheries Data Files
Centre County Natural Heritage Inventory (scaned TIFFs)
CephBase
Charles County - Chesapeake Bay Critical Area
Charles County, Maryland floodplains
Chattanooga Stormwater Sub-basins: Percent Impervious Surface
Chattanooga Stormwater Sub-basins: Percent Impervious Surface_1
Chemical Characteristics of Side Channels in the Madison River (Montana) Drainage
Chemung Subbasin
Chesapeake Bay Basin Major Watersheds
Chesapeake Bay Estuarine Research Reserve Water Quality Data in 1995
Chesapeake Bay Monitoring Program: Lower Chesapeake Bay Microzooplankton Study (January 1993 through December 1999)
Chesapeake Bay National Estuarine Research Reserve Water Quality Data in 1997
Chesapeake Bay Prime Farmland
Chesapeake Bay Region State Boundaries
Chesapeake Bay Virginia Estuarine Research Reserve Water Quality Data
Chesapeake Bay Watershed land use/land cover v105
Chesapeake Fish Surveys
Chesapeake View - Template
Chester County Airports
Chester County Boundary
Chester County Buildings Points
Chester County Cemeteries
Chester County Higher Education Facilities
Chester County Hydric Soils
Chester County Municipal Boundaries
Chester County Parks
Chester County Prime Agricultural Soils
Chester County Private Schools
Chester County Public Schools
Chester County Railroads
Chester County Roadway Edges
Chester County School District Boundaries
Chester County Soils
Chester County Wetlands - Line
Chester County Wetlands - Polygon
Chester County bridges
Chinook Critical Habitat - California Coastal
Chinook Critical Habitat - Central Valley Spring-run
Chinook Distribution - California Coastal
Chinook Distribution - Central Valley Spring-run
City of Philadelphia-Department of Records - Parcels 2006
City of Philadelphia-Department of Records - Parcels 2006_1
City of Philadelphia-Department of Records - Transparcels 2006
City of Philadelphia-Department of Records - Transparcels 2006_1
City of Philadelphia-Department of Records - Transparcels 2007
Class A Wild Trout Streams
Class A Wild Trout Streams_1
Class A Wild Trout Streams_2
Class A Wild Trout Streams_3
Class A Wild Trout Streams_4
Class A Wild Trout Streams_5
Class A Wild Trout Streams_6
Class A Wild Trout Streams_7
Class A Wild Trout Streams_8
Class A Wild Trout Streams_9
Coal Mined Areas
Coal Mining Operations
Coal Mining Operations_1
Coal Mining Operations_10
Coal Mining Operations_11
Coal Mining Operations_12
Coal Mining Operations_13
Coal Mining Operations_14
Coal Mining Operations_2
Coal Mining Operations_3
Coal Mining Operations_4
Coal Mining Operations_5
Coal Mining Operations_6
Coal Mining Operations_7
Coal Mining Operations_8
Coal Mining Operations_9
Coal Pillar Location Mining
Coal Pillar Location Oil Gas
Coal Pillar Location-Mining
Coal Pillar Location-Mining_1
Coal Pillar Location-Mining_10
Coal Pillar Location-Mining_11
Coal Pillar Location-Mining_12
Coal Pillar Location-Mining_2
Coal Pillar Location-Mining_3
Coal Pillar Location-Mining_4
Coal Pillar Location-Mining_5
Coal Pillar Location-Mining_6
Coal Pillar Location-Mining_7
Coal Pillar Location-Mining_8
Coal Pillar Location-Mining_9
Coal Pillar Location-Oil & Gas
Coal Pillar Location-Oil & Gas_1
Coal Pillar Location-Oil & Gas_10
Coal Pillar Location-Oil & Gas_11
Coal Pillar Location-Oil & Gas_12
Coal Pillar Location-Oil & Gas_13
Coal Pillar Location-Oil & Gas_2
Coal Pillar Location-Oil & Gas_3
Coal Pillar Location-Oil & Gas_4
Coal Pillar Location-Oil & Gas_5
Coal Pillar Location-Oil & Gas_6
Coal Pillar Location-Oil & Gas_7
Coal Pillar Location-Oil & Gas_8
Coal Pillar Location-Oil & Gas_9
Coastal Wetland Vegetation Analysis (Metzger Marsh)
Colleges & Universities - SPC region
Colonial Bird Survey Database
Colorado River Cutthroat trout - mapping application
Columbia Basin Adult Fish Passage
Columbia River (St. Helens) Dioxin and Furan Study for City of St Helen's National Discharge Elimination System Permit
Columbia River (St. Helens) Dioxin and Furan Study for James River Wauna Mill's National Discharge Elimination System
Columbia River Basin (CRB) Boundary
Columbia River Dioxin Study
Columbia River Dioxin and Furan Study
Columbia River Dioxin, Furan, PCB, Pesticides and Mercury Study
Columbia River Interdisciplinary Science Explorer
Columbia River Land Margin Ecosystem Research Project Datasets
Columbia and Snake River Dioxin Study
Combined Points for Red Sesbania (Sesbania punicea) Database
Combined Points for Red Sesbania (Sesbania punicea) Database_1
Commercial Fishing Reports
Commercial Hazardous Waste Operations
Commercial Hazardous Waste Operations_1
Commercial Hazardous Waste Operations_10
Commercial Hazardous Waste Operations_11
Commercial Hazardous Waste Operations_12
Commercial Hazardous Waste Operations_13
Commercial Hazardous Waste Operations_2
Commercial Hazardous Waste Operations_3
Commercial Hazardous Waste Operations_4
Commercial Hazardous Waste Operations_5
Commercial Hazardous Waste Operations_6
Commercial Hazardous Waste Operations_7
Commercial Hazardous Waste Operations_8
Commercial Hazardous Waste Operations_9
Commerical Hazardous Waste Operations
Community Mental Health Centers
Community Mental Health Centers_1
Community Mental Health Centers_2
Congaree Swamp National Monument Field Plots Data Base for Vegetation Mapping
Congaree Swamp National Monument Spatial Vegetation Data; Cover Type / Association level of the National Vegetation Classification System
Congressional House Boundaries (PA State) - SPC Region
Conneaut Lake Boundary, Crawford County, Pennsylvania
Connecticut Invasive Plant Database
Conservation Resources
Contiguous Grasslands
Contiguous Scrub Transitional
Contours
Cooperative Nurseries
Cooperative Nurseries_1
Cooperative Nurseries_2
Cooperative Nurseries_3
Cooperative Nurseries_4
Copepods - Aetideidae of the World Ocean
Councils of Government
County Boundaries - SPC Region
County Natural Heritage Inventories
County Park Boundaries
County Seats for the Delaware River Basin Area 2004
Critical Habitat Sites around the Tennessee River Gorge
Critical Habitat Sites around the Tennessee River Gorge_1
Cultivation and Farming of Marine Plants
Cultural Assessment of the Chesapeake Bay Watershed
Cultural features
Cumberland Plateau water samples
Cumberland Plateau water samples_1
DC Boundary - polygon
DC Quadrangle boundary - polygon
DCNR - Bureau of Topographic and Geologic Survey - High Resolution Orthoimages - Bedford
DCNR - Lopez Quad Isochores
DCNR - Lopez Quad Outcrops
DCNR - Lopez Quad Striations
DCNR - Lopez Quad Surface Geology
DCNR - State Forest Lands 2004
DCNR - State Forest Lands 2006
DCNR Glacier 100k 1995
DCNR Glacier 500k 1995
DCNR Landform 1998
DCNR Rail Trails 2008
DCNR Rail Trails point 2008
DCNR State Parks
DCNR Statewide Land Trails 2008
DCNR Statewide Land Trails points 2008
DOE Research Set-Aside Areas on the SRS
DOH Nursing Home 200811
DVRPC 2005 Digital Orthoimagery
DVRPC 2005 Digital Orthoimagery - Bucks North Mr.SID Mosaic
DVRPC 2005 Digital Orthoimagery - Bucks South Mr.SID Mosaic
DVRPC 2005 Digital Orthoimagery - Chester North Mr.SID Mosaic
DVRPC 2005 Digital Orthoimagery - Chester South Mr.SID Mosaic
DVRPC 2005 Digital Orthoimagery - Delaware Mr.SID Mosaic
DVRPC 2005 Digital Orthoimagery - Montgomery North Mr.SID Mosaic
DVRPC 2005 Digital Orthoimagery - Montgomery South Mr.SID Mosaic
DVRPC 2005 Digital Orthoimagery - Philadelphia Mr.SID Mosaic
DVRPC 2005 Digital Orthoimagery - TILE INDEX
DVRPC's 2005 Topographic Contours
DVRPCMrSidMosaic_bucks_north.sid
Dams from Army Corps and States
Database of Insects of Subsaharan Africa
Databases Species 2000
December 2006 Storm
Deer Harvests
Deer Vehicle Accidents on the Savannah River Site (SRS)
Deer age/sex composition database
Deer database
Deer reproduction database
Delaware Estuary Boundary
Delaware Flooding spring 2005
Delaware River Basin Commission - city points 2004
Delaware River Basin Commission - city polygons 2004
Delaware River Basin Commission watershed boundaries - HUC 11 2004
Delaware River Basin Commission watershed boundaries - HUC 8 2004
Delaware River Basin Reservoirs 2004
Delaware River Basin boudary - line 2004
Delaware River Basin boundary - polygon 2004
Delaware River Basin county boundaries - clipped 2004
Delaware River Basin county boundaries - unclipped 2004
Delaware River Basin creeks and rivers - clipped 2004
Delaware River Basin major cities 2004
Delaware River Basin roads - clipped 2004
Delaware River Basin states boundaries - clipped 2004
Delaware River Basin sub-basins 2004
Delaware River Fish Survey
Delaware River boundary 2004
Delaware River islands 2004
Delaware Valley Land Cover 1985
Delaware Valley Land Cover 1993
Delaware Valley Land Cover 2000
Delaware Water Gap Color Infra-Red Photos
Delaware Water Gap landuse
Delaware river bridges 2004
Delaware state boundary - line 2004
Delaware watersheds within the Delaware River Basin 2004
Digital Distribution Maps of the Birds of the Western Hemisphere
Digital Flood Insurance Rate Map Database, Pennsylvania - various layers clipped to counties
Digital Orthophoto (DOQQ - quarter-quadrangle) for Delaware
Digital Orthophoto (DOQQ - quarter-quadrangle) for Delaware_1
Digital Orthophoto (DOQQ - quarter-quadrangle) for Pennsylvania
Digital Orthophoto (DOQQ - quarter-quadrangle) for Pennsylvania_1
Digital Orthophoto (DOQQ - quarter-quadrangle) for Virginia
Digital Orthophoto (DOQQ - quarter-quadrangle) for West Virginia
Digital Orthophoto Production for Flood Assessment of the Juniata and Susquehanna Rivers in Pennsylvania
Digital data set of mapped karst features in south-central and southeastern Pennsylvania
Distribution Maps of Amphibians in the Sierra Nevada
Distribution Maps of Amphibians in the Sierra Nevada_1
District boundaries of PA DCNR Bureau of Forestry
Districts Boundaries
Dock Water Quality, Hydrolab Daily Averages
Dock Water Quality, Nestor Probe, Daily Averages
Dock monitoring station, Hourly data, 1984 - 1990
Dock monitoring station, Weather data, 1984 - 1990
Domestic Fisheries Landings
Dorchester County - Chesapeake Bay Critical Area
Dorchester County, Maryland floodplains
Drug Alcohol Treatment Facilities
Drug Alcohol Treatment Facilities_1
Drug Alcohol Treatment Facilities_2
Drug and Alcohol Treatment Centers
Ducks Unlimited LAC Waterfowl Surveys Program
E. L. Ekman Herbarium Database (Haiti)
EPA_sites_renewable_energy_shapefile
ERRI - Small Watersheds
Eastern Bering Sea (BASIS) Coastal Research on Juvenile Salmon
Eastern Bering Sea (BASIS) Coastal Research on Juvenile Salmon (Oceanography data)
Eastern Brook Trout Joint Venture
Eastern Pipistrelle distribution in North America
Eastern Red Bat distribution in North America
Eastern Small-footed Myotis distribution in North America
Ecology of the Forests of the Sym Plain, Krasnoyarsk Territory, Siberia
Ecoregions United States (Bailey) 2004
Ecoregions United States (Omernik) 2005
Effects of Environmental Perturbations on the Aquatic Community in the San Juan River
Effects of Exotic Crayfish on Rare Southwestern Fishes - Growth data
Effects of Exotic Crayfish on Rare Southwestern Fishes - Invertebrate data
Effects of Exotic Crayfish on Rare Southwestern Fishes - Temperature and Chemistry data
Elizabeth River Runoff: Win - Win Solutions
Elkhorn Slough National Estuarine Research Reserve Water Quality Monitoring Data
Elkhorn Slough National Estuarine Research Reserve Water Quality Monitoring Data in 1995
Elkhorn Slough National Estuarine Research Reserve Water Quality Monitoring Data in 1996.
Encroachment Locations
Encroachment Locations Oil Gas
Encroachment Locations for Oil & Gas
Encroachment Locations for Oil & Gas_1
Encroachment Locations for Oil & Gas_10
Encroachment Locations for Oil & Gas_11
Encroachment Locations for Oil & Gas_12
Encroachment Locations for Oil & Gas_13
Encroachment Locations for Oil & Gas_2
Encroachment Locations for Oil & Gas_3
Encroachment Locations for Oil & Gas_4
Encroachment Locations for Oil & Gas_5
Encroachment Locations for Oil & Gas_6
Encroachment Locations for Oil & Gas_7
Encroachment Locations for Oil & Gas_8
Encroachment Locations for Oil & Gas_9
Encroachment Locations_1
Encroachment Locations_10
Encroachment Locations_11
Encroachment Locations_12
Encroachment Locations_13
Encroachment Locations_14
Encroachment Locations_2
Encroachment Locations_3
Encroachment Locations_4
Encroachment Locations_5
Encroachment Locations_6
Encroachment Locations_7
Encroachment Locations_8
Encroachment Locations_9
Enterprise Zones
Enterprise Zones for Philadelphia 2005
Environmental Areas (Natural Heritage Inventory) - SPC Region
Environmental Justice Areas 2005
Environmental Sensitivity Index (ESI) Maps and Data
Environmental Sensitivity Index (ESI) Maps and Data - Virginia
Epibenthic fish and Decapod crustaceans; trawling
Erie NWR bounday - GAP Stewardship update 2008
Erosion & Sediment Control Facilities
Erosion & Sediment Control Facilities_1
Erosion & Sediment Control Facilities_10
Erosion & Sediment Control Facilities_11
Erosion & Sediment Control Facilities_12
Erosion & Sediment Control Facilities_13
Erosion & Sediment Control Facilities_2
Erosion & Sediment Control Facilities_3
Erosion & Sediment Control Facilities_4
Erosion & Sediment Control Facilities_5
Erosion & Sediment Control Facilities_6
Erosion & Sediment Control Facilities_7
Erosion & Sediment Control Facilities_8
Erosion & Sediment Control Facilities_9
Erosion Sediment Control Facilities
Evening Bat distribution in North America
Existing Use Streams
Existing Use Streams_1
Existing Use Streams_2
Existing Use Streams_3
Existing Use Streams_4
Existing Use Streams_5
Existing Use Streams_6
Existing Use Streams_7
Existing Use Streams_8
FAOSTAT - Fisheries
FWS - Bird Survey Transects
FWS-SALMOD: Klamath River Historical Analysis/Limiting Factors - Salmod: Klamath River Historical Analysis/Limiting Factors
Fairmount Park Properties 2005
Fairmount Park Properties 2009
Fairmount Park properties
Fault Lines - Topographic Change in Philadelphia, During the Last Century
Fayette County Soils 2006
Federal Survey of PCBs in U.S. Atlantic Coast Bluefish (1984-1985)
Final Categories: Eastern Brook Trout Joint Venture
Fire Department Facilities
Fire History of Bor Forest Island and Surrounding Pinus sylvestris Forests of the Dubches Plain, Siberia
Fire Island National Seashore, Field Plots Data Base for Vegetation Mappings
Fish Catch Data from the Southeastern U.S.
Fish Consumption Advisories for the Susquehanna River Basin
Fish Habitat
Fish Species Occurrence Database
Fish weir sampling, SERC, Edgewater, MD
FishBase
FishBase_1
Fisheries and Aquatic Resources (FAR - NBII) fact sheet - pdf
Fishing Hot Spots
Fishing Hot Spots_1
Fishing Hot Spots_2
Fishing Hot Spots_3
Fishing Special Regulation Lakes (Points)
Fishing Special Regulation Lakes (Points)_1
Fishing Special Regulation Lakes (Points)_2
Fishing Special Regulation Lakes (Points)_3
Fishing Special Regulation Lakes (Points)_4
Fishing Special Regulation Lakes (Polygons)
Fishing Special Regulation Lakes (Polygons)_1
Fishing Special Regulation Lakes (Polygons)_2
Fishing Special Regulation Lakes (Polygons)_3
Fishing Special Regulation Lakes (Polygons)_4
Fishing Special Regulation Streams
Fishing Special Regulation Streams_1
Fishing Special Regulation Streams_2
Fishing Special Regulation Streams_3
Fishing Special Regulation Streams_4
Fishing Special Regulation Streams_5
Fishing Special Regulation Streams_6
Fishing Special Regulation Streams_7
Fishing and Boating Access Points
Fishing and Boating Access Points_1
Fishing and Boating Access Points_2
Fishing and Boating Access Points_3
Fishing and Boating Access Points_4
Fishing and Boating Access Points_5
Fishing and Boating Access Points_6
Fishstat - Fisheries Data Analysis Software and Data
Flood Plains
Floodplains
Floodplains of Pennsylvania
Florida Fish Kill Database
Florida Lakewatch
Florida Natural Areas Inventory Biological Conservation Database
Foote Brook Macroinvertebrate Biomonitoring - Phase 2 in Johnson, Vermont
Foote Brook Macroinvertebrate Biomonitoring-Phase I in Johnson, Vermont
Forest Economic Model - Resource Lands Assessment for the Chesapeake Bay Watershed
Forest Wildlife Habitat Information
Forested Water Quality
Fractional Vegetation Cover for Northeast Pennsylvania, 1985
Fractional Vegetation Cover for Northeast Pennsylvania, 2000
Fractional Vegetation Cover for Northwest Pennsylvania, 1985
Fractional Vegetation Cover for Northwest Pennsylvania, 2000
Fractional Vegetation Cover for Southeast Pennsylvania, 1985
Fractional Vegetation Cover for Southeast Pennsylvania, 2000
Fractional Vegetation Cover for Southwest Pennsylvania, 1985
Fractional Vegetation Cover for Southwest Pennsylvania, 2000
Frederick County, Maryland floodplains
Free-flowing Hanford Reach Predation Study
Free-flowing Snake River Predation Study
Frogwatch USA
Fuels and Fire Behavior on the Bor Forest Island Fire
Galveston Bay Bait Shrimp Landings Files; Catch/effort and Species
Galveston Postlarval Penaeid Abundance Files
Gap Creek Fish Sites for the Cumberland Gap National Historical Park
Gap Creek Fish Sites for the Cumberland Gap National Historical Park_1
Garrett County, Maryland floodplains
Geochemistry Data Sets from Pump Casts
Geographic Names Information System (GNIS) United States 2008
Geographic Names Information System (GNIS) for Alaska and Hawaii 2008
Geographic Names Information System (GNIS) for Delaware 2007
Geographic Names Information System (GNIS) for East Coast 2009
Geographic Names Information System (GNIS) for Maryland 2007
Geographic Names Information System (GNIS) for New Jersey 2007
Geographic Names Information System (GNIS) for New York 2007
Geographic Names Information System (GNIS) for Pennsylvania 2007
Geographic Names Information System (GNIS) for Pennsylvania 2008
Geographic Names Information System (GNIS) for Pennsylvania 2009
Geographic Names Information System (GNIS) for Virginia 2007
Geographic Names Information System (GNIS) for Washington D. C. 2007
Geographic Names Information System (GNIS) for West Virginia 2007
Geographic Names Information System for Pennsylvania 1981
Geologic map - Topographic Change in Philadelphia, During the Last Century
Geology by Rock Type for the Susquehanna River Basin
Global Invasive Species Database
Golf Courses - SPC region
Government Locations - DC
Grassland Breeding Birds Survey
Great Lakes Commercial Fishing Database
Greenway Creek Cemeteries Data from U.S. Geographic Names Information System
Greenway Creek Cemeteries Data from U.S. Geographic Names Information System_1
Greenway Creek Proposed Save Our Streams Sites
Greenway Creek Proposed Save Our Streams Sites_1
Greenway Creek Watershed Town Locations from U.S. Geographic Names Information System Populated Places
Greenway Creek Watershed Town Locations from U.S. Geographic Names Information System Populated Places_1
Gulf Coast - 9 LOOP Environmental Monitoring Program
Gulf Coast - Air Temperature, Louisiana
Gulf Coast States - A Study of Louisiana's Major Estuaries and Adjacent Offshore Waters
Gulf Coast States - Constant Recorders
Gulf Coast States - Ecosystem Analysis of Calcasieu Lake (CALECO)
Gulf Coast States - Fishery Dependent Monitoring Program
Gulf Coast States - Fishery Independent, Shrimp/Groundfish Monitoring
Gulf Coast States - Hypoxia Monitoring
Gulf Coast States - Louisiana Rainfall
Gulf Coast States - Oyster Monitoring
Gulf Coast States - River Discharge
Gulf Coast States - West Hackberry Monitoring
GulfCet II Study: Cetacean Habitat in the Northern Gulf of Mexico
GulfCet II: An Acoustic Survey of Cetaceans in the Northern Gulf of Mexico
GulfCet II: Biological Oceanography in the Northern Gulf of Mexico: Distribution, Abundance and Habitat Associations in the GulfCet II study.
GulfCet II: Environmental patterns and oceanographic processes: hydrography and mesoscale circulation of the continental margin of the Northeastern Gulf of Mexico
GulfCet II: Seabird Ecology in the Northern Gulf of Mexico.
HOME_HEALTH_AGENCY
Habitat Measurement and Modeling in the Green and Yampa Rivers - Channel models
Habitat Measurement and Modeling in the Green and Yampa Rivers - Razorback sucker locations
Harford County - Chesapeake Bay Critical Area
Harford County, Maryland floodplains
Hazardous Material locations (above ground - ASTpt)
Headwater Protection
Herp Aquatic Habitat
Herps Terrestrial Habitat
Hidden roads - polygon
High Seas Salmonid Coded-Wire Tag Recovery Data
Historic Areas - SPC Region
Historic Sites - SPC Region
Historic mussel distribution for Cahaba, Coosa, and Duck River Basins 1800 - 1985
Historic mussel distribution for Cahaba, Coosa, and Duck River Basins 1800 - 1985_1
Historical 15 minute series USGS Map Collection for Pennsylvania
Historical 15 minute series USGS Map Collection for Pennsylvania, 2nd version
Historical Anthracite coal seam, mining and permit data by quadrangle for the state of Pennsylvania, 2006
Historical Anthracite coal seam, mining and permit data for Pennsylvania
Historical Bituminous coal seam, mining and permit data by quadrangle for the state of Pennsylvania, 2006
Historical Bituminous coal seam, mining and permit data for Pennsylvania
Historical Industrial Mineral mining and permit data by Quadrangle for Pennsylvania, 2006
Historical Industrial Mineral mining and permit data for Pennsylvania by County
Historical Industrial Mineral mining and permit data for Pennsylvania by Quadrangle
Historical Map Collection for Lancaster County
Hoary Bat distribution in North America
Home Health Agencies
Home Health Agencies_1
Home Health Agencies_2
Hospices
Hospices_1
Hospices_2
Hospices_3
Hospitals
Hospitals - SPC region
Hospitals_1
Hospitals_2
Howard County, Maryland floodplains
Hudson River Watershed - Internet Map Service
Humidity data from SERC weather station
Hurricanes Major 1851 - 2004
Hydric Soils
Hydric Soils from the Soil Survey Geographic data base for Chester County, Pennsylvania
HydroSHEDS: The Hydrological data and maps based on Shuttle Elevation Derivatives at multiple Scales.
Hydroarcs
Hydrographic and Chemical Data from MARMAP; Collected from the U.S. National Marine Fisheries Service's Woods Hole Laboratory
Hydrography
Hydrology - Streams, Rivers, Lakes, and Pond Areas - SPC Region
Hydrology - Streams, Rivers, Lakes, and Pond Boundaries - SPC Region
Hydropoly
IABIN Invasives Data Network
Ictalurid Populations in Relation to the Presence of a Main-Stem Reservoir in a Midwestern Warmwater Stream with Emphasis on the Threatened Neosho Madtom
Imperiled Species - Development of a Database to Support a Multi-Scale Analysis of the Distribution of Westslope Cutthroat Trout
Impervious Cover Change 1985-2000
Impervious Cover year 1985
Impervious Cover year 2000
Impervious surface area for Northeast Pennsylvania, 1985
Impervious surface area for Northeast Pennsylvania, 2000
Impervious surface area for Northwest Pennsylvania, 1985
Impervious surface area for Northwest Pennsylvania, 2000
Impervious surface area for Southeast Pennsylvania, 1985
Impervious surface area for Southeast Pennsylvania, 2000
Impervious surface area for Southwest Pennsylvania, 1985
Impervious surface area for Southwest Pennsylvania, 2000
Important Bird Areas
Important Mammal Areas
Inactive Railroads
Inactive Railways in Pennsylvania
Income and Employment, 1979-1981
Income and Employment, 1982
Income and Employment, 1988
Income and Employment, 1989-1990
Income and Employment, 1991-1992
Income and Employment, 1993-2001
Indiana Myotis distribution in North America
Industrial Mineral Mining Operations
Industrial Mineral Mining Operations_1
Industrial Mineral Mining Operations_10
Industrial Mineral Mining Operations_11
Industrial Mineral Mining Operations_12
Industrial Mineral Mining Operations_13
Industrial Mineral Mining Operations_14
Industrial Mineral Mining Operations_2
Industrial Mineral Mining Operations_3
Industrial Mineral Mining Operations_4
Industrial Mineral Mining Operations_5
Industrial Mineral Mining Operations_6
Industrial Mineral Mining Operations_7
Industrial Mineral Mining Operations_8
Industrial Mineral Mining Operations_9
Industrial parks - SPC region
Insect Suppression database
Integrated List Attaining
Integrated List Attaining_1
Integrated List Attaining_10
Integrated List Attaining_2
Integrated List Attaining_3
Integrated List Attaining_4
Integrated List Attaining_5
Integrated List Attaining_6
Integrated List Attaining_7
Integrated List Attaining_8
Integrated List Attaining_9
Integrated List Non-Attaining
Integrated List Non-Attaining_1
Integrated List Non-Attaining_2
Integrated List Non-Attaining_3
Integrated List Non-Attaining_4
Integrated List Non-Attaining_5
Integrated List Non-Attaining_6
Integrated List Non-Attaining_7
Integrated List Non-Attaining_8
Integrated List Non-Attaining_9
Integrated Taxonomic Information System
Interactive Guide to the Underwater Flora and Fauna of the Netherlands
Interior Forest Habitat
Intermediate Care Facilities
Intermediate Care Facilities_1
Intermediate Care Facilities_2
Intermediate care facilities
Interstate Highway Exits
Interstate Highway Exits_1
Introductions of Aquatic Species (DIAS)
Invertebrate and Zoology Master Database Florida Museum of Natural History
Investigations into the early life histories of the razorback sucker and bonytail in Cibola High Levee Pond, Arizona - Fish Survey data
Investigations into the early life histories of the razorback sucker and bonytail in Cibola High Levee Pond, Arizona - Limnology data
Investigations into the early life histories of the razorback sucker and bonytail in Cibola High Levee Pond, Arizona - Pond Bathymetry data
Investigations into the early life histories of the razorback sucker and bonytail in Cibola High Levee Pond, Arizona - Predation data
Investigations into the early life histories of the razorback sucker and bonytail in Cibola High Levee Pond, Arizona - underwater video Observations
Isolines for the 30-Year Precipitation dataset (1971-2000) for the Susquehanna River Basin
Jacques Cousteau/Mullica River National Estuarine Research Reserve Water Quality Monitoring
Jacques Cousteau/Mullica River National Estuarine Research Reserve Water Quality Monitoring in 1996.
Jacques Cousteau/Mullica River National Estuarine Research Reserve Water Quality Monitoring in 1997.
Jamaica Beach, Texas Biological and Environmental Data
June 2006 Flooding
Juniata County Municipal Boundaries
Juniata County Municipal Boundaries_1
Juniata County Parcels
Juniata County Parcels_1
Juniata County Parcels_2
Juniata Subbasin
Kansas Conservation Reserve Program (CRP) - Fish Sampling Stations
Kent County - Chesapeake Bay Critical Area
Kent County, Maryland floodplains
Lacreek National Wildlife Refuge Vegetation Mapping Project AA Points
Lacreek National Wildlife Refuge Vegetation Mapping Project Plot Points
Lacreek National Wildlife Refuge Vegetation Mapping Project Vegetation Coverage
Lake Roosevelt TCDD, TCDF and Metals Study
Lakes - 1:100k Enhanced
Lakes and Ponds of Mount Desert Island (MDI) and Islands of MDI Municipal Towns
Lamoille River and Foote Brook, Lamoille County, Vermont
Lancaster County - Municipal Boundaries
Lancaster County - Municipal Boundaries_1
Lancaster County Bridges
Lancaster County Buildings - polygon
Lancaster County Buildings - polygon_1
Lancaster County Cemeteries
Lancaster County Contours
Lancaster County County Boundary
Lancaster County Covered Bridges
Lancaster County Geodetic Monuments
Lancaster County Geodetic Monuments_1
Lancaster County Land Use Types
Lancaster County Land Use Types_1
Lancaster County Parcel Boundaries
Lancaster County RDCLINE 200905
Lancaster County Railroad Beds 1998
Lancaster County Railroad Centerlines
Lancaster County Railroad Centerlines_1
Lancaster County Road CenterLines 2007
Lancaster County Road Edges - line
Lancaster County Road Edges - line 1998
Lancaster County Road Edges - polygon 1998
Lancaster County Road Edges - polygon 1998_1
Lancaster County School District Boundaries
Lancaster County School District Boundaries_1
Lancaster County Street Centerlines
Lancaster County Street Centerlines 2009 10
Lancaster County Tanks
Lancaster County Transmission Towers 1998
Lancaster County Utility Poles
Lancaster County Water Treatment Plants
Lancaster County covered bridges
Lancaster County edges of paved roads (drives)
Lancaster County edges of paved roads (drives)_1
Lancaster County fire hydrants
Lancaster County hydrologic features - polygon (greater than 10 foot width)
Lancaster County hydrologic features- line (less than 10 foot width)
Lancaster County municipal boundaries
Lancaster County municipal boundaries_1
Lancaster County parking lots
Lancaster County parking lots_1
Lancaster County paved road surfaces
Lancaster County road centerlines and types
Lancaster County road centerlines and types_1
Lancaster County structures
Lancaster County urban and village growth boundary polygons
Lancaster County urban and village growth boundary polygons 200905
Lancaster County urban and village growth boundary polygons 200905_1
Lancaster County urban and village growth boundary polygons_1
Land Cover (Satellite) - SPC Region
Land Management Groups
Land Recycling Cleanup Locations
Land Recycling Cleanup Locations_1
Land Recycling Cleanup Locations_10
Land Recycling Cleanup Locations_11
Land Recycling Cleanup Locations_12
Land Recycling Cleanup Locations_13
Land Recycling Cleanup Locations_14
Land Recycling Cleanup Locations_2
Land Recycling Cleanup Locations_3
Land Recycling Cleanup Locations_4
Land Recycling Cleanup Locations_5
Land Recycling Cleanup Locations_6
Land Recycling Cleanup Locations_7
Land Recycling Cleanup Locations_8
Land Recycling Cleanup Locations_9
Land use for Eastern shore and Piedmont study watersheds
Landmarks - point
Landmarks - polygon
Landmarks in Pennsylvania
Landmarks in Pennsylvania_1
Landscape Ecological Assessment of the Chesapeake Bay Watershed
Laser Vegetation Imaging Sensor (LVIS) Dataset over Maryland and Virginia.
Law Enforcement Regions
Legislative/Congressional Districts (Federal) - SPC Region
Level 3 Ecoregions for the Susquehanna River Basin
Line Data for Red Sesbania (Sesbania punicea) Database
Line Data for Red Sesbania (Sesbania punicea) Database_1
Lipid Dataset of Alaskan fish, marine mammals, and invertebrates
Little Brown Myotis distribution in North America
Little Port Walter Climatology 1950-2007
Little Port Walter Marine Research Station Supply Run Oceanographic Observations (LPWMRSSROO)
Little Port Walter freshwater temperature, saltwater temperature, and salinity
Little Yellow Creek Fish Sites for the Cumberland Gap National Historical Park
Little Yellow Creek Fish Sites for the Cumberland Gap National Historical Park_1
Livable Landscapes Basemap Features
Livable Landscapes Natural Resources Overlay
Long Term Care Facilities
Long Term Care Facilities 2007
Longline Sablefish Survey
Longwall Mine Panels 2002
Lower Columbia River Backwater Reconaissance Survey
Lower Susquehanna Subbasin
Lycoming County 100yr Flood 2008
Lycoming County 100yr Flood all 2008
Lycoming County 500yr Flood 2008
Lycoming County Floodway 2008
Lycoming Floodplain 2008
LycomingParcels200811
MD_Watershed Boundaries HUC 8/12
MD_Wetlands Special Concern - line/polygon
Major Employers - SPC region
Major Municipal boundaries for the Delaware River Basin Area 2004
Major Parks and Forests along the Appalachian Trail
Major Parks and Forests along the Appalachian Trail_1
Major Watersheds of the Susquehanna River Basin
Major Wetland Areas of Mount Desert Island
Major Wetlands - SPC region
Major rivers in Pennsylvania
Major watershed boundaries for Pennsylvania conservation gap analysis
Malacolog 2.0
Mammals Habitat
Mangroves of Queensland
Marine Biodiversity Information System of Colombia.
Marine Realms Information Bank
Marine Turtle Nesting Database
Maryland - Greenways
Maryland - National Wetland Inventory (NWI)
Maryland Chesapeake Bay Water Quality Monitoring Program: Primary Productivity Component
Maryland Chesapeake Bay Water Quality Monitoring Program:Fluorescence Monitoring Component
Maryland Chesapeake Bay Water Quality Monitoring Program:Mesozooplankton Monitoring Component
Maryland Chesapeake Bay Water Quality Monitoring Program:Microzooplankton Component
Maryland Chesapeake Bay Water Quality Monitoring Program:Phytoplankton Component
Maryland's Department of Natural Resources Fall Oyster Survey
Maryland's Department of Natural Resources Fall Oyster Survey Disease and Population Data
Mean Temperatures and Streamflows for Sentinel Cage Exposures
Mid-Atlantic Information Node (MAIN - NBII) fact sheet - pdf
Mid-winter Bald Eagle
Middle Susquehanna Subbasin
Mifflin County aerial photography
Military Sites - SPC region
Mine Drainage Treatment Land Recycling
Mine Drainage Treatment/Land Recycling Project Locations
Mine Drainage Treatment/Land Recycling Project Locations_1
Mine Drainage Treatment/Land Recycling Project Locations_10
Mine Drainage Treatment/Land Recycling Project Locations_11
Mine Drainage Treatment/Land Recycling Project Locations_12
Mine Drainage Treatment/Land Recycling Project Locations_13
Mine Drainage Treatment/Land Recycling Project Locations_14
Mine Drainage Treatment/Land Recycling Project Locations_15
Mine Drainage Treatment/Land Recycling Project Locations_16
Mine Drainage Treatment/Land Recycling Project Locations_2
Mine Drainage Treatment/Land Recycling Project Locations_3
Mine Drainage Treatment/Land Recycling Project Locations_4
Mine Drainage Treatment/Land Recycling Project Locations_5
Mine Drainage Treatment/Land Recycling Project Locations_6
Mine Drainage Treatment/Land Recycling Project Locations_7
Mine Drainage Treatment/Land Recycling Project Locations_8
Mine Drainage Treatment/Land Recycling Project Locations_9
Model Results: Eastern Brook Trout Joint Venture
Molluscan Shell Fish Habitat along the Coast of Maine
Monitoring Fecal Coliform in Stormwater Discharge as Part of the Ambient Monitoring Program Required in the NPDES Permit
Monitoring Fecal Coliform in Stormwater Discharge as Part of the Ambient Monitoring Program Required in the NPDES Permit_1
Monitoring of Porpoise Stocks Data Files
Montana Fish, Wildlife and Parks GIS data
Montgomery County, Maryland floodplains
Mouth of Columbia Wind Spring and Fall Transition Dates
Muddy Creek Salinity Monitor Sal44FW
Muddy Creek Salinity Monitor Sal45MC
Municipal Boundaries - SPC Region
Municipal Waste Operations
Municipal Waste Operations_1
Municipal Waste Operations_10
Municipal Waste Operations_11
Municipal Waste Operations_12
Municipal Waste Operations_13
Municipal Waste Operations_14
Municipal Waste Operations_2
Municipal Waste Operations_3
Municipal Waste Operations_4
Municipal Waste Operations_5
Municipal Waste Operations_6
Municipal Waste Operations_7
Municipal Waste Operations_8
Municipal Waste Operations_9
Municipal boundaries for New Jersey clipped to the Delaware River Basin 2004
Municipal boundaries for New York clipped to the Delaware River Basin 2004
Municipal boundaries for Pennsylvania clipped to the Delaware River Basin 2004
Murrysville Parcel Coverage
Mussel Species Richness: Cahaba, Coosa, and Duck River Watersheds, 1800-1985
Mussel Species Richness: Cahaba, Coosa, and Duck River Watersheds, 1800-1985_1
N/A
NBII Completed Atlas Blocks
NBII In Progress Atlas Blocks
NBII_AtlasQuads
NCBP Fish Database
NHDFlowline - Allegheny
NHDFlowline - Big Sandy - Guyandotte
NHDFlowline - Cape Fear
NHDFlowline - Chowan Roanoke
NHDFlowline - Delaware
NHDFlowline - Erie
NHDFlowline - Kanawha
NHDFlowline - Lower Hudson - Long Island
NHDFlowline - Monongahela
NHDFlowline - Neuse Pamlico
NHDFlowline - Potomac
NHDFlowline - Southwest Lake Ontario
NHDFlowline - Susquehanna
NHDFlowline - Upper Chesapeake
NHDFlowline - Upper Ohio
NHDFlowline - Upper Tennessee
NHDFlowline - lower Chesapeake
NHDFlowline -PeeDee
NHDWaterbody - Allegheny
NHDWaterbody - Big Sandy - Guyandotte
NHDWaterbody - Cape Fear
NHDWaterbody - Chowan Roanoke
NHDWaterbody - Delaware
NHDWaterbody - Erie
NHDWaterbody - Kanawha
NHDWaterbody - Lower Hudson - Long Island
NHDWaterbody - Monongahela
NHDWaterbody - Neuse Pamlico
NHDWaterbody - Potomac
NHDWaterbody - Southwest Lake Ontario
NHDWaterbody - Susquehanna
NHDWaterbody - Upper Chesapeake
NHDWaterbody - Upper Ohio
NHDWaterbody - Upper Tennessee
NHDWaterbody - lower Chesapeake
NHDWaterbody -PeeDee
NLT - Schuylkill Action Network - Land Prioritization Strategy Model (GIS Data and Maps)
NMFS Survey of Trace Elements in the Fisheries
NREL FEMA Transmission Lines
NREL United States(lower 48) Solar Potential
NYS Breeding Bird Atlas
Narragansett Bay National Estuarine Research Reserve Water Quality Monitoring
Narragansett Bay National Estuarine Research Reserve Water Quality Monitoring in 1995
Narragansett Bay National Estuarine Research Reserve Water Quality Monitoring in 1996
National Agricultural Imagery Program (1-meter resolution)
National Agricultural Imagery Program (NAIP) - quarter-quadrangle index
National Atmospheric Deposition Program 2004 (MAIN states)
National Atmospheric Deposition Program 2004 - Pennsylvania
National Atmospheric Deposition Program 2005 (MAIN states)
National Atmospheric Deposition Program 2005- Pennsylvania
National Elevation Dataset for Pennsylvania
National Estuarine Research Reserve - System-wide Monitoring Program
National Fish Hatcheries
National Fish Hatcheries_1
National Hydrography Dataset (NHD) - High resolution: flowline features
National Hydrography Dataset (NHD) - High-resolution: area features
National Hydrography Dataset (NHD) - High-resolution: flowline features clipped to PA state border
National Hydrography Dataset (NHD) - High-resolution: line features
National Hydrography Dataset (NHD) - High-resolution: point features
National Hydrography Dataset (NHD) - High-resolution: waterbody features
National Hydrography Dataset (NHD) - Medium-resolution - NHDFlowline - PA clipped
National Hydrography Dataset (NHD) - Medium-resolution - NHDWaterbody - PA clipped
National Hydrography Dataset (NHD) - Medium-resolution - NHDWatersheds - PA clipped
National Land Cover Database - Land Cover Layer - Arizona, California
National Land Cover Database - Land Cover Layer - California, West coast
National Land Cover Database - Land Cover Layer - Idaho, Utah, Wyoming
National Land Cover Database - Land Cover Layer - Idaho, Washington, Montana
National Land Cover Database - Land Cover Layer - Kansas, Nebraska, Oklahoma
National Land Cover Database - Land Cover Layer - Minnesota, Wisconsin
National Land Cover Database - Land Cover Layer - Texas, Kansas, Oklahoma
National Land Cover Database - Land Cover Layer - Texas, Louisiana, Mississippi, Gulf Coast
National Land Cover Database - Land Cover Layer - Texas, New Mexico
National Land Cover Database - Land Cover Layer - Washington State, Northwest coast
National Land Cover Database - Land Cover Layer - Wyoming, Montana, Nebraska, South Dakota
National Land Cover Database Zone 47 Imperviousness Layer - Western Pennsylvania and Ohio
National Land Cover Database Zone 47 Land Cover Layer - Western Pennsylvania and Ohio
National Land Cover Database Zone 54 Imperviousness Layer - Southeast
National Land Cover Database Zone 54 Land Cover Layer - Southeast
National Land Cover Database Zone 54 Tree Canopy Layer - Southeast
National Land Cover Database Zone 60 Imperviousness Layer - Pennsylvania and Northeast
National Land Cover Database Zone 60 Land Cover Layer - Pennsylvania and Northeast
National Land Cover Database Zone 60 Tree Canopy Layer - Pennsylvania and Northeast
National Land Cover Database zone 47 Tree Canopy Layer - Western Pennsylvania and Ohio
National Marine Fisheries Service Alaska Sablefish Tag Database
National Marine and Estuarine Invasions Database
National Survey of Mercury Concentrations in Fish
National Weather Service - Apparent Temperature Forecasts
National Weather Service - Average Ozone Concentration Ozone01='1 hr
National Weather Service - Average Ozone Concentration Ozone08='8 hr
National Weather Service - Average vertical column smoke from fires (smokeC)
National Weather Service - Dew Point Temperature Forecasts
National Weather Service - Latest Radar
National Weather Service - Latest Visible Satellite
National Weather Service - Maximum Temperature Forecasts
National Weather Service - Minimum Temperature Forecasts
National Weather Service - National Temperature Forecasts
National Weather Service - Precipitation Amount Forecasts
National Weather Service - Probability of Precipitation Forecasts
National Weather Service - Relative Humidity Forecasts
National Weather Service - Sky Cover Forecasts
National Weather Service - Snow Amount Forecasts
National Weather Service - Surface level smoke from fires (smokeS)
National Weather Service - Temperature Forecasts
National Weather Service - Wave Height Forecasts
National Weather Service - Wind Direction Forecasts
National Weather Service - Wind Gusts Forecasts
National Weather Service - Wind Speed Forecasts
National Weather Service -Latest Infared Satellite
National Wetlands Inventory
National Wetlands Inventory (NWI) Metadata.
National Wetlands Inventory for Pennsylvania - line
National Wetlands Inventory for Pennsylvania - point
National Wetlands Inventory for Pennsylvania - polygon
National Wildlife Preserves in Pennsylvania
National Wildlife Preserves in Pennsylvania_1
National forests in Pennsylvania
National parks in Pennsylvania
National parks in Pennsylvania_1
Natural Attenuation Decision Support System (BIOSCREEN)
Natural Resources Information Management Program - Fish Distribution Data
Natural Vegetation Habitat
Natural and Anthropogenic Influences on the Distribution of the Threatened Neosho Madtom in a Midwestern Warmwater Stream
NatureServe Element Occurrence Data for Rare and Endangered Species in the United States and Canada
Nearshore Fish Atlas of Alaska
Neshaminy Creek watershed conservation plan
Networked streams of Pennsylvania
New York City county boundaries
New York Fish Surveys
New York city boundary 2004
New York state boundary with offshore boundaries
Node Probabilities Pruned: Eastern Brook Trout Joint Venture
Node Probabilities: Eastern Brook Trout Joint Venture
Nonindigenous Fishes
Nonindigenous Plants' Database: Army Lands Inventory
North American Breeding Bird Survey Routes
North American Breeding Bird Survey Routes_1
North Pacific Seabird Colony Database
Northeast Fishery Permits System, Including Permitted Fisheries
Northeast Monitoring Program - Ocean Pulse; Ocean Pollution Monitor
Northeastern U.S. Commercial Fisheries Landings Data Files
Northeastern U.S. Fisheries Bottom Trawl survey
Northern Lancaster County Groundwater Study
Northern Myotis distribution in North America
Nursing Homes
OS - Vegetation data for the Density Management study of western Oregon-new
Occurrence and Significance of DDT Compounds and Other Contaminants in Fish, Water, and Sediment from the Yakima River Basin
Ocean Polygon from Mount Desert Island, Maine
Office Locations
Oil & Gas Locations
Oil & Gas Locations_1
Oil & Gas Locations_10
Oil & Gas Locations_11
Oil & Gas Locations_12
Oil & Gas Locations_13
Oil & Gas Locations_2
Oil & Gas Locations_3
Oil & Gas Locations_4
Oil & Gas Locations_5
Oil & Gas Locations_6
Oil & Gas Locations_7
Oil & Gas Locations_8
Oil & Gas Locations_9
Oil & Gas Water Pollution Control Facilities
Oil & Gas Water Pollution Control Facilities_1
Oil & Gas Water Pollution Control Facilities_10
Oil & Gas Water Pollution Control Facilities_11
Oil & Gas Water Pollution Control Facilities_12
Oil & Gas Water Pollution Control Facilities_13
Oil & Gas Water Pollution Control Facilities_2
Oil & Gas Water Pollution Control Facilities_3
Oil & Gas Water Pollution Control Facilities_4
Oil & Gas Water Pollution Control Facilities_5
Oil & Gas Water Pollution Control Facilities_6
Oil & Gas Water Pollution Control Facilities_7
Oil & Gas Water Pollution Control Facilities_8
Oil & Gas Water Pollution Control Facilities_9
Oil Gas Locations
Oil Gas Water Pollution
Oil and gas fields in Pennsylvania
Oil and gas wells in Pennsylvania
Old Woman Creek National Estuarine Research Reserve Water Quality Monitoring
Old Woman Creek National Estuarine Research Reserve Water Quality Monitoring in 1995.
Old Woman Creek National Estuarine Research Reserve Water Quality Monitoring in 1996.
Old Woman Creek National Estuarine Research Reserve Water Quality Monitoring in 1997.
Old Woman Creek National Estuarine Research Reserve Water Quality Monitoring in 1998
Oligochaetes Collected in the Madison River (Montana) Drainage
One Planet Many People : Atlas of Our Changing Environment
Organic Content of Side Channels in the Madison River (Montana) Drainage
Organochlorine Contaminants in Aquatic Resources from the Columbia River
Other Open Spaces - SPC region
Ouray National Wildlife Refuge Vegetation Mapping Project AA Points
Ouray National Wildlife Refuge Vegetation Mapping Project Plot Points
Ouray National Wildlife Refuge Vegetation Mapping Project Vegetation Coverage
PA CleanWays - Illegal Dump Surveys - points
PA Explorer: Terrabyte Image of Pennsylvania by county
PA Water Trails
PA Wilds
PAMAP High Resolution Orthoimage - South Central Pennsylvania 10 Counties
PAMAP High Resolution Orthoimages - Berks, Bedford, and Schuylkill counties 2004
PAMAP High Resolution Orthoimages - Berks, Bedford, and Schuylkill counties 2004_1
PAMAP High Resolution Orthoimages - Berks, Bedford, and Schuylkill counties 2004_2
PAMAP High Resolution Orthoimages - Berks, Bedford, and Schuylkill counties 2004_3
PAMAP High Resolution Orthoimages - Berks, Bedford, and Schuylkill counties 2004_4
PAMAP High Resolution Orthoimages - Berks, Bedford, and Schuylkill counties 2004_5
PAMAP High Resolution Orthoimages - Berks, Bedford, and Schuylkill counties 2004_6
PAMAP High Resolution Orthoimages - Berks, Bedford, and Schuylkill counties 2004_7
PAMAP Land Cover for Pennsylvania, 2005
PAMAP LiDAR Beta Program
PAMAP Program - County Mosaics 2003 - 2006
PAMAP Program - County Mosaics 2007
PAMAP Program 2003 High Resolution Orthoimage - South Central Pennsylvania 10 Counties
PAMAP Program 2004 Color Orthophotos of Bedford County, Pennsylvania
PAMAP Program 2005 Color Orthophotos of Allentown, Pennsylvania
PAMAP Program 2005 Color Orthophotos of Bradford County, Pennsylvania
PAMAP Program 2005 Color Orthophotos of Carbon County, Pennsylvania
PAMAP Program 2005 Color Orthophotos of Clinton County, Pennsylvania
PAMAP Program 2005 Color Orthophotos of Columbia County, Pennsylvania
PAMAP Program 2005 Color Orthophotos of Crawford County, Pennsylvania
PAMAP Program 2005 Color Orthophotos of Lackawanna County, Pennsylvania
PAMAP Program 2005 Color Orthophotos of Lancaster County, Pennsylvania
PAMAP Program 2005 Color Orthophotos of Lebanon County, Pennsylvania
PAMAP Program 2005 Color Orthophotos of Lehigh County, Pennsylvania
PAMAP Program 2005 Color Orthophotos of Luzerne County, Pennsylvania
PAMAP Program 2005 Color Orthophotos of Lycoming County, Pennsylvania
PAMAP Program 2005 Color Orthophotos of McKean County, Pennsylvania
PAMAP Program 2005 Color Orthophotos of Monroe County, Pennsylvania
PAMAP Program 2005 Color Orthophotos of Montour County, Pennsylvania
PAMAP Program 2005 Color Orthophotos of Northampton County, Pennsylvania
PAMAP Program 2005 Color Orthophotos of Northumberland County, Pennsylvania
PAMAP Program 2005 Color Orthophotos of Pike County, Pennsylvania
PAMAP Program 2005 Color Orthophotos of Potter County, Pennsylvania
PAMAP Program 2005 Color Orthophotos of Snyder County, Pennsylvania
PAMAP Program 2005 Color Orthophotos of Somerset County, Pennsylvania
PAMAP Program 2005 Color Orthophotos of Sullivan County, Pennsylvania
PAMAP Program 2005 Color Orthophotos of Susquehanna County, Pennsylvania
PAMAP Program 2005 Color Orthophotos of Tioga County, Pennsylvania
PAMAP Program 2005 Color Orthophotos of Union County, Pennsylvania
PAMAP Program 2005 Color Orthophotos of Warren County, Pennsylvania
PAMAP Program 2005 Color Orthophotos of Wayne County, Pennsylvania
PAMAP Program 2005 Color Orthophotos of Wyoming County, Pennsylvania
PAMAP Program 2006 Color Orthophotos of Allegheny County, Pennsylvania
PAMAP Program 2006 Color Orthophotos of Armstrong County, Pennsylvania
PAMAP Program 2006 Color Orthophotos of Beaver County, Pennsylvania
PAMAP Program 2006 Color Orthophotos of Blair County, Pennsylvania
PAMAP Program 2006 Color Orthophotos of Butler County, Pennsylvania
PAMAP Program 2006 Color Orthophotos of Cambria County, Pennsylvania
PAMAP Program 2006 Color Orthophotos of Cameron County, Pennsylvania
PAMAP Program 2006 Color Orthophotos of Centre County, Pennsylvania
PAMAP Program 2006 Color Orthophotos of Clarion County, Pennsylvania
PAMAP Program 2006 Color Orthophotos of Clearfield County, Pennsylvania
PAMAP Program 2006 Color Orthophotos of Elk County, Pennsylvania
PAMAP Program 2006 Color Orthophotos of Erie County, Pennsylvania
PAMAP Program 2006 Color Orthophotos of Fayette County, Pennsylvania
PAMAP Program 2006 Color Orthophotos of Forest County, Pennsylvania
PAMAP Program 2006 Color Orthophotos of Greene County, Pennsylvania
PAMAP Program 2006 Color Orthophotos of Indiana County, Pennsylvania
PAMAP Program 2006 Color Orthophotos of Jefferson County, Pennsylvania
PAMAP Program 2006 Color Orthophotos of Lawrence County, Pennsylvania
PAMAP Program 2006 Color Orthophotos of Mercer County, Pennsylvania
PAMAP Program 2006 Color Orthophotos of Mercer County, Pennsylvania_1
PAMAP Program 2006 Color Orthophotos of Venango County, Pennsylvania
PAMAP Program 2006 Color Orthophotos of Washington County, Pennsylvania
PAMAP Program 2006 Color Orthophotos of Westmoreland County, Pennsylvania
PAMAP Program 3.2 ft Digital Elevation Model of Pennsylvania
PAMAP Program 3.2 ft Digital Elevation Model of Pennsylvania - North
PAMAP Program 3.2 ft Digital Elevation Model of Pennsylvania - South 2007
PAMAP Program Cycle 1 High Resolution Orthoimage 2003 - 2006
PAMAP Program Cycle 2 - 1 ft Orthorectified Digital Imagery of Pennsylvania
PAMAP Program LiDAR Processing/Contour Enhancement Lines of Pennsylvania
PAMAP Program Topographic Contours (2 ft Interval) of Pennsylvania
PAMAP Program Topographic Contours (2 ft Interval) of Pennsylvania_1
PAMAP Tile Index - North 2006
PAMAP Tile Index - South 2006
PCBs and Hydrocarbons in U.S. Shellfish and Crabs
PFBC Commissioner Districts
PFBC Database Lakes (Points)
PFBC Database Lakes (Points)_1
PFBC Database Lakes (Points)_2
PFBC Database Lakes (Points)_3
PFBC Database Lakes (Points)_4
PFBC Database Lakes (Points)_5
PFBC Database Lakes (Points)_6
PFBC Database Lakes (Points)_7
PFBC Database Lakes (Points)_8
PFBC Database Lakes (Polygons)
PFBC Database Lakes (Polygons)_1
PFBC Database Lakes (Polygons)_2
PFBC Database Lakes (Polygons)_3
PFBC Database Lakes (Polygons)_4
PFBC Database Lakes (Polygons)_5
PFBC Database Lakes (Polygons)_6
PFBC Database Lakes (Polygons)_7
PFBC Database Lakes (Polygons)_8
PFBC Habitat Management Area Offices
PFBC Habitat Management Areas
PFBC Properties
PFBC Properties_1
PFBC Trout Stocked Flowing Waters
PFBC Warmwater/Coolwater Stocked Flowing Waters
PGC_GameRegion200907
PGC_StateGamland200907
PLANTS Identification Key online (Wetland Monocots: SLIKS v2.1)
PSU Forestland Management Office - Gates
PSU Forestland Management Office - Roads
PSU Forestland Management Office - Streams
PSU Forestland Management Office - Trails
Pa Senatorial 2005
PaDOT - Pennsylvania Congressional House Boundaries 2005
PaDOT - Pennsylvania Congressional House Boundaries 2006
PaDOT - Pennsylvania Congressional House Boundaries 2007
PaDOT - Pennsylvania House Boundaries 2008
PaDOT - Pennsylvania House Boundaries 2009
PaMap Tile Index North 2005
PaMap Tile Index South 2005
Pacific Billfish Catch and Effort Data File
Pacific Billfish Tag Release and Recovery Data File
Pacific Island Ecosystems at Risk
Padilla Bay National Estuarine Research Reserve
Padilla Bay National Estuarine Research Reserve Water Quality Monitoring in 1995.
Padilla Bay National Estuarine Research Reserve Water Quality Monitoring in 1996.
Paradise Creek Restoration Plan
Park and Ride Lots - SPC Region
Parks (State, County, & Local) - SPC region
Parks - polygon
Partners In Flight (Physiographic Areas)
PassageAssessmentDatabase200902
Penn Pilot (Historical Aerial Photo Library)
PennDOT - Congressional Legislative Boundaries 2005
PennDOT - Congressional Legislative Boundaries 2006
PennDOT - Congressional Legislative Boundaries 2007
PennDOT - Congressional Legislative Boundaries 2008
PennDOT - Congressional Legislative Boundaries 2009
PennDOT - County boundaries
PennDOT - Locally maintained roadways in Pennsylvania
PennDOT - Pennsylvania County Boundaries 2005
PennDOT - Pennsylvania County Boundaries 2006
PennDOT - Pennsylvania County Boundaries 2007
PennDOT - Pennsylvania County Boundaries 2008
PennDOT - Pennsylvania County Boundaries 2009
PennDOT - Pennsylvania Engineering District Boundaries 2005
PennDOT - Pennsylvania Engineering District Boundaries 2008
PennDOT - Pennsylvania Engineering District Boundaries 200901
PennDOT - Pennsylvania Municipality boundaries 2005
PennDOT - Pennsylvania Municipality boundaries 2007
PennDOT - Pennsylvania Municipality boundaries 2008
PennDOT - Pennsylvania Municipality boundaries 2009
PennDOT - Pennsylvania State Boundaries 2005
PennDOT - Pennsylvania State Boundaries 2008
PennDOT - Pennsylvania State Boundaries 2009
PennDOT - Pennsylvania State Boundaries 2009_1
PennDOT - Pennsylvania State House District Boundaries
PennDOT - Pennsylvania Traffic Counts 2005
PennDOT - Pennsylvania Traffic Counts 2006
PennDOT - Pennsylvania Traffic Counts 2007
PennDOT - Pennsylvania Traffic Counts 2008
PennDOT - Pennsylvania Traffic Counts 2009
PennDOT - Pennsylvania Traffic Counts 2009_1
PennDOT - Pennsylvania local roads 2005
PennDOT - Pennsylvania local roads 2007
PennDOT - Pennsylvania local roads 2008
PennDOT - Pennsylvania local roads 2009
PennDOT - Pennsylvania municipality boundaries
PennDOT - Planning Agencies Boundaries (MPO/RPO) 2008
PennDOT - Planning Agencies Boundaries (MPO/RPO) 2009
PennDOT - Quadsheet Boundaries
PennDOT - School Districts
PennDOT - State Senate district boundaries
PennDOT - State Senate district boundaries 2005
PennDOT - State Senate district boundaries 2006
PennDOT - State Senate district boundaries 2007
PennDOT - State Senate district boundaries 2008
PennDOT - State Senate district boundaries 2009
PennDOT - State maintained roadway centerlines of Pennsylvania
PennDOT - Urban Area Boundaries 2005
PennDOT - Urban Area Boundaries 2009
PennDOT local roads 2004
PennDOT urban area boundary polygons
PennDOT- Pennsylvania Administrative State Roads 2005
PennDOT- Pennsylvania Administrative State Roads 2006
PennDOT- Pennsylvania Administrative State Roads 2007
PennDOT- Pennsylvania Administrative State Roads 2008
PennDOT- Pennsylvania Administrative State Roads 2009
PennDOT- Pennsylvania Administrative State Roads 2009_1
Penndot - Pennsylvania Stateroads 2005
Penndot - Pennsylvania Stateroads 2006
Penndot - Pennsylvania Stateroads 2007
Penndot - Pennsylvania Stateroads 2008
Penndot - Pennsylvania Stateroads 200901
Penndot - Pennsylvania Stateroads 200910
Pennsylvania - 104 State Water Plan watersheds, 1998
Pennsylvania - small watersheds
Pennsylvania Breeding Bird Atlas Database 1994
Pennsylvania Brownfields 2003
Pennsylvania Census 2000
Pennsylvania Coastal Floodplains
Pennsylvania Coastal Zones 2004
Pennsylvania Conservation Stewardship
Pennsylvania Crime 2002
Pennsylvania Ecoregions
Pennsylvania Fish Surveys
Pennsylvania Land Cover Data Set - DD, TIFF
Pennsylvania Land Cover Data Set - albers, TIFF
Pennsylvania Land Cover Data Set - albers, grid
Pennsylvania Land Cover, 2000
Pennsylvania Licensed Hospital Database 2001
Pennsylvania Licensed Public Use Airports
Pennsylvania Major Rivers 1996
Pennsylvania School Districts 2009 09
Pennsylvania State Gamelands 2004
Pennsylvania State Gamelands 2006
Pennsylvania Unpaved Roads 2002
Pennsylvania Wild Areas
Pennsylvania Zip Code Boundaries
Pennsylvania conservation gap avian habitat models; 30 meter resolution
Pennsylvania conservation gap avian habitat models; 90 meter resolution
Pennsylvania conservation gap fish habitat models; 90 meter resolution
Pennsylvania conservation gap mammal habitat models; 30 meter resolution
Pennsylvania conservation gap mammal habitat models; 90 meter resolution
Pennsylvania conservation gap reptile habitat models; 30 meter resolution
Pennsylvania conservation gap reptile habitat models; 90 meter resolution
Pennsylvania licensed heliports
Pennsylvania major roads
Persistence of DDT in the Yakima River Drainage, Washington
Perturbation Ratings: Eastern Brook Trout Joint Venture
Philadalphia highway district boundaries
Philadelphia 2004 aerial photography Area 1
Philadelphia 2004 aerial photography Area 10 - 5 mile airport
Philadelphia 2004 aerial photography Area 2
Philadelphia 2004 aerial photography Area 3
Philadelphia 2004 aerial photography Area 4
Philadelphia 2004 aerial photography Area 5
Philadelphia 2004 aerial photography Area 6
Philadelphia 2004 aerial photography Area 7
Philadelphia 2004 aerial photography Area 8
Philadelphia 2004 aerial photography Area 9
Philadelphia Buildings
Philadelphia Buildings_1
Philadelphia Census Tracts 2000
Philadelphia Contours 10ft
Philadelphia Contours 2ft
Philadelphia Contours 2ft_1
Philadelphia Curb Edges 2005
Philadelphia Curb Edges 2006
Philadelphia Curb Edges, Other Transportation Features
Philadelphia Curb Edges, Other Transportation Features_1
Philadelphia Empowerment Zones
Philadelphia Empowerment Zones 2005
Philadelphia Enterprise Zones
Philadelphia Evacuation Routes
Philadelphia Fire Stations 2005
Philadelphia Highway Districts 2005
Philadelphia Impervious Surfaces
Philadelphia MR.SID Index
Philadelphia Parcels 2007
Philadelphia Police Departments
Philadelphia Police Districts 2005
Philadelphia Police Districts 2006
Philadelphia Police Divisions 2005
Philadelphia Police Divisions 2006
Philadelphia Political Divisions 2005
Philadelphia Political Wards 2005
Philadelphia Political Wards 2008
Philadelphia Recycling Boundaries
Philadelphia Recycling Boundaries 2005
Philadelphia Rubbish Boundaries
Philadelphia Rubbish Boundaries 2005
Philadelphia Sanitation Areas 2005
Philadelphia Sanitation Districts 2005
Philadelphia Street Centerlines 2005
Philadelphia Street Centerlines 2006
Philadelphia Transparcels 2007
Philadelphia Ward Divisions 2008
Philadelphia Zoning
Philadelphia Zoning 2000
Philadelphia Zoning 2005
Philadelphia Zoning 2006
Philadelphia Zoning 2007
Philadelphia city limits
Philadelphia curb edges
Philadelphia generalized railroads
Philadelphia geographic market areas
Philadelphia hydrology
Philadelphia municipal legislative boundaries
Philadelphia parcels
Philadelphia parcels_1
Philadelphia recycling collection day boundaries
Philadelphia recycling collection days boundaries
Philadelphia redevelopment certified areas
Philadelphia rubbish collection day boundaries
Philadelphia rubbish collection day boundaries_1
Philadelphia sanitation areas
Philadelphia sanitation districts
Philadelphia street centerlines
Philadelphia street centerlines_1
Philadelphia topographic contours
Philadelphia waterInlets
Philadelphia zipcodes
Philadelphia zoning
PhiladelphiaCouncilDistricts_1990
PhiladelphiaCouncilDistricts_2000
PhiladelphiaGeneralizedRailroads200712
PhiladelphiaGeographicMarketAreas200712
PhiladelphiaParcels200712
Physical Speech Therapy Facilities
Physical Speech Therapy Facilities_1
Physical Speech Therapy Facilities_2
Physical and Speech Therapy Facilities
Physiographic Provinces 1:100,000
Physiographic Provinces 1:500,000
Physiographic Provinces of Pennsylvania, 1:100,000
Physiographic Sections of the Susquehanna River Basin
Pink salmon data collected at Sashin Creek Weir 1934-2002
Place Names (USGS) - SPC Region
Plankton and XBT data from MEDBIM
Planning Analysis Sections for Philadelphia 2005
Plants of the coast of Coromandel: selected from drawings and descriptions presented to the hon. court of directors of the East India Company (v. 1, v. 3.)
Pollution Prevention Workbook for the Elizabeth River
Polychlorinated Dioxins and -Furans in Lake Roosevelt (Columbia River) sportfish, 1990
Polychlorinated Dioxins and Furans in Lake Roosevelt (Columbia River) Sportfish
Portable X-ray
Portable X-ray_1
Portable X-ray_2
Portable Xray
Portable Xray_1
Post Monitoring (2003) of the Foote Brook Natural Channel Design Restoration Project--Johnson, Vermont
Post Monitoring (2003) of the West Branch Natural Channel Design Restoration Project -- Stowe, Vermont
Preliminary Forest Cover Change Estimates for Central America (1990's), With Reference to the Proposed Mesoamerican Biological Corridor (The Mesoamerican Biological Corridor Project)
Presite Map
Primary Production Data Sets from Pump Casts
Primary and Secondary Streams of Mount Desert Island and Lands of MDI Municipal.
Prime Agricultural Soils from the Soil Survey Geographic data base for Chester County, Pennsylvania
Prince George's - Chesapeake Bay Critical Area
Prince George's County, Maryland floodplains
Protected Lands Inventory: Agricultural Easements
Protected Lands Inventory: Federal Lands - November 2004
Protected Lands Inventory: Nonprofit and Private Lands - November 2004
Psychiatric Residential Treatment Facilities
Psychiatric Residential Treatment Facilities_1
Psychiatric Residential Treatment Facilities_2
Psychiatric Residential Treatment Facilities_3
Public Schools - point
Public Schools - polygon
Public Schools Administrative Offices - point
Purple Loosestrife Locations Integrated By NBII-SAIN into NAWMA Format
Purple Loosestrife Locations Integrated By NBII-SAIN into NAWMA Format_1
Quadrangle Boundaries for the continental United States
Quadrangle boundaries in Pennsylvania
Queen Anne's County, Maryland floodplains
Radiation Facilites 2005
Radiation Facilities
Radiation Facilities_1
Radiation Facilities_10
Radiation Facilities_11
Radiation Facilities_12
Radiation Facilities_13
Radiation Facilities_2
Radiation Facilities_3
Radiation Facilities_4
Radiation Facilities_5
Radiation Facilities_6
Radiation Facilities_7
Radiation Facilities_8
Radiation Facilities_9
Rafinesque's Big-eared Bat distribution in North America
Railroad Crossing Locations - SPC region
Railroads - SPC Region
Rainfall data from SERC weather station
Rainwater reuse guide - Everybody needs a rain barrel!
Rarity Group
Recreation Properties - point
Recreation Properties - polygon
Recreational Fisheries Statistics Survey
Recreational Fisheries data
Red Sesbania (Sesbania punicea) Occurrences in California Database
Red Sesbania (Sesbania punicea) Occurrences in California Database_1
Regional Headquarters
Regional Headquarters_1
Regions - Pennsylvania Game Commission
Research and Specimens Collections at the Swedish Museum of Natural History
Reserves (Forest and Land) - SPC region
Residual Waste Operations
Residual Waste Operations_1
Residual Waste Operations_10
Residual Waste Operations_11
Residual Waste Operations_12
Residual Waste Operations_13
Residual Waste Operations_14
Residual Waste Operations_2
Residual Waste Operations_3
Residual Waste Operations_4
Residual Waste Operations_5
Residual Waste Operations_6
Residual Waste Operations_7
Residual Waste Operations_8
Residual Waste Operations_9
Resource Lands Assessment - Water Quality Protection for the Chesapeake Bay Watershed
Results of a Screen for EPA Xenobiotics in Sediment and Bottom Fish from Lake Roosevelt (Columbia River)
Rhode Island Geographic Information System Wetlands
Rhode River Mouth Salinity Monitor Sal46AP
Rhode River Salinity Monitor Sal47DK
Riparian Buffer Quality
Riparian Buffers Berks County, Pennsylvania
Riparian Buffers For Seven Counties In Pennsylvania (Berks, Bucks, Chester, Delaware, Montgomery, Northampton, Philadelphia)
Riparian covertypes for the Licking Creek
River Restoration Data in Lamoille County, Vermont
River Star Case Study
River Terminals - SPC region
River and Stream Modeling and Decision Support Systems - Salmod: Klamath River Historical Analysis/Limiting Factors
Rivers Conservation Plans for Pennsylvania
Road kill database
Roads - polygon
Robert Cory's USGS Dock Monitoring Station at SERC, 1970 - 1978
Rock Creek Park
Rock Creek Park Field Plots Data Base for Vegetation Mapping
Rookery Bay National Estuarine Research Reserve Water Quality Monitoring
Rookery Bay National Estuarine Research Reserve Water Quality Monitoring in 1996
Rookery Bay National Estuarine Research Reserve Water Quality Monitoring in 1997
Roost Surveys and Habitat Requirements of Rare Southwestern Bats: California Leaf-nosed and Allen's Lappet-browed Bats, with Observations on Townsend's Big-eared and Western Mastiff Bats.
Route of the Cape May-Lewis Ferry 2004
Run-of-the-River Dams
Rural Health Clinics
Rural Health Clinics_1
Rural Health Clinics_2
Rural Health Clinics_3
Rural Health Clinics_4
SAVEM - Goldline - Crayfish Monitoring Sites for Coosawattee River watershed in 2003
SAVEM - Goldline - Crayfish Monitoring Sites for Coosawattee River watershed in 2003_1
SAVEM - Goldline - Goldline Darter sites for Coosawattee River watershed in 2003.
SAVEM - Goldline - Goldline Darter sites for Coosawattee River watershed in 2003._1
SAVEM - Greenway Creek Church Data from U.S. Geographic Names Information System
SAVEM - Greenway Creek Church Data from U.S. Geographic Names Information System_1
SAVEM - IBI - Upper Little Tennessee Stream Quality Ratings 2000
SAVEM - IBI - Upper Little Tennessee Stream Quality Ratings 2000_1
SAVEM - IBI - Upper Little Tennessee Stream Quality Ratings 2002 Clipped to Watershed
SAVEM - IBI - Upper Little Tennessee Stream Quality Ratings 2002 Clipped to Watershed_1
SAVEM - IBI - Upper Little Tennessee Stream Quality Ratings 2002 Full Quad Streams
SAVEM - IBI - Upper Little Tennessee Stream Quality Ratings 2002 Full Quad Streams_1
SAVEM - Major Roads - Clinch River Watershed
SAVEM - Major Roads - Clinch River Watershed_1
SAVEM - Major Roads - Upper Holston
SAVEM - Major Roads - Upper Holston_1
SAVEM - Major Roads - Upper Little Tennessee
SAVEM - Major Roads - Upper Little Tennessee_1
SAVEM - Major Roads - Upper Nolichucky
SAVEM - Major Roads - Upper Nolichucky_1
SAVEM - Major Water - Clinch River Watershed
SAVEM - Major Water - Clinch River Watershed_1
SAVEM - Major Water - Franklin
SAVEM - Major Water - Franklin_1
SAVEM - Major Water - Pittman Center - Hot Springs
SAVEM - Major Water - Pittman Center - Hot Springs_1
SAVEM - Major Water - Upper Holston
SAVEM - Major Water - Upper Holston_1
SAVEM - Major Water - Upper Little Tennessee River
SAVEM - Major Water - Upper Little Tennessee River_1
SAVEM - National Hydrography - Upper Nolichucky
SAVEM - National Hydrography - Upper Nolichucky_1
SAVEM - National Hydrography Dataset - Beaverdam Creek Streams
SAVEM - National Hydrography Dataset - Greenway Creek Streams
SAVEM - National Hydrography Dataset - Greenway Creek Streams_1
SAVEM - Parks - Clinch River Watershed
SAVEM - Parks - Clinch River Watershed_1
SAVEM - Parks - Upper Holston Watershed
SAVEM - Parks - Upper Holston Watershed_1
SAVEM - Parks - Upper Nolichucky
SAVEM - Parks - Upper Nolichucky_1
SAVEM - Project Boundaries - Watershed Projects
SAVEM - Project Boundaries - Watershed Projects_1
SAVEM - Rivers - Clinch River Watershed
SAVEM - Rivers - Clinch River Watershed_1
SAVEM - Rivers - Upper Holston River Watershed
SAVEM - Rivers - Upper Holston River Watershed_1
SAVEM - Subwatersheds - Upper Holston
SAVEM - Subwatersheds - Upper Holston_1
SAVEM - Subwatersheds - Upper Nolichucky
SAVEM - Subwatersheds - Upper Nolichucky_1
SAVEM - TIGER Roads - Beaverdam Creek
SAVEM - TIGER Roads - Greenway Creek
SAVEM - TIGER Roads - Greenway Creek_1
SAVEM - TIGER Roads - Pittman Hot Springs Project Area
SAVEM - TIGER Roads - Pittman Hot Springs Project Area_1
SAVEM - TIGER Roads - Upper Nolichucky
SAVEM - TIGER Roads - Upper Nolichucky_1
SAVEM - Towns - Clinch River Watershed
SAVEM - Towns - Clinch River Watershed_1
SAVEM - U.S. Geographic Names Information System School - Beaverdam Creek
SAVEM - U.S. Geographic Names Information System School - Beaverdam Creek_1
SAVEM - U.S. National Atlas Federal Lands - Beaverdam Creek
SAVEM - U.S. National Atlas Federal Lands Upper Holston
SAVEM - U.S. National Atlas Federal Lands Upper Holston_1
SAVEM - U.S. National Atlas Federal Lands Upper Little Tennessee River
SAVEM - U.S. National Atlas Federal Lands Upper Little Tennessee River_1
SAVEM - U.S. National Atlas Federal Lands Upper Nolichucky
SAVEM - U.S. National Atlas Federal Lands Upper Nolichucky_1
SAVEM - USGS Rivers - Clinch USGS Rivers
SAVEM - USGS Rivers - Clinch USGS Rivers_1
SAVEM - USGS Rivers - Upper Holston USGS Rivers
SAVEM - USGS Rivers - Upper Holston USGS Rivers_1
SAVEM - Upper Little Tennessee River Fish Sites
SAVEM - Upper Little Tennessee River Fish Sites_1
SAVEM - Virginia Trout Stream Survey Sites - Upper Holston
SAVEM - Virginia Trout Stream Survey Sites - Upper Holston_1
SAVEM - Virginia Water Chemistry Sample Sites - Upper Holston
SAVEM - Virginia Water Chemistry Sample Sites - Upper Holston_1
SAVEM - Water Chemistry Sample Sites
SAVEM - Water Chemistry Sample Sites - Upper Clinch River Active Chemistry Sites
SAVEM - Water Chemistry Sample Sites - Upper Clinch River Active Chemistry Sites_1
SAVEM - Water Chemistry Sample Sites - Upper Clinch River Proposed Chemistry Sites
SAVEM - Water Chemistry Sample Sites - Upper Clinch River Proposed Chemistry Sites_1
SAVEM - Water Chemistry Sample Sites - Upper Holston Proposed Chemistry Sites
SAVEM - Water Chemistry Sample Sites - Upper Holston Proposed Chemistry Sites_1
SAVEM - Water Chemistry Sample Sites - Upper Nolichucky Active Chemical Sites
SAVEM - Water Chemistry Sample Sites - Upper Nolichucky Active Chemical Sites_1
SAVEM - Water Chemistry Sample Sites_1
SAVEM - Watershed - Beaverdam Creek
SAVEM - Watershed - Clinch River
SAVEM - Watershed - Clinch River_1
SAVEM - Watershed - Greenway Creek
SAVEM - Watershed - Greenway Creek_1
SAVEM - Watershed - Upper Holston Watershed
SAVEM - Watershed - Upper Holston Watershed_1
SAVEM - Watershed - Upper Little Tennessee River Watershed Boundary
SAVEM - Watershed - Upper Little Tennessee River Watershed Boundary_1
SAVEM - Watershed - Upper Nolichucky
SAVEM - Watershed - Upper Nolichucky_1
SEPTA GIS High speed Lines 200905
SEPTA GIS High speed Stations 200905
SEPTA GIS Regional Rail Lines LR 200905
SEPTA GIS Regional Rail Stations 200905
SEPTA GIS Routes Fall 200909
SEPTA GIS Routes Spring2 200905
SERC Dock Monitoring, Quanta, Hourly
SERC Dock Water Quality, YSI, Daily Averages
SERC Dock Water Quality, YSI, hourly
SERC Dock Water Quality, hydrolab, hourly
SNOWMOBILE TRAILS OF PENNSYLVANIA
SPICA: Biodiversity Information System of Colombia
SQG Pair PAHs total low molecular weight PAHs PPB ERL-ERM 95 - 99
SRBC - Map Package for the Loyalsock creek
SRBC - Map Package for the Mohanoy creek
SRBC - collection of map packages for the Susquehanna River Basin Commission
SRBC -Base Map Layers 2004
SWcrep_t - Conservation Reserve Enhancement Program (CREP) Eligible Areas
Saint Mary's - Chesapeake Bay Critical Area
Salmonid migrations at Auke Creek, Alaska
Scenic Rivers in Pennsylvania
School Districts - SPC region
School Districts of Pennsylvania 2008
School Districts of Pennsylvania 2009
School Districts of Pennsylvania, 2004
School Districts of Pennsylvania, 2005
School Districts of Pennsylvania, 2006
School Districts of Pennsylvania, 2007
Schools - SPC region
Seafloor Habitat Assessment
Seamounts
Second summary of data on chemical contaminants in sediments from the National Status and Trends Program.
Segment Center Points (segcenters)
Selected Fish Tissue Contaminant Data
Seminole Bat distribution in North America
Senatorial Districts (PA State) - SPC region
Sensitivity of Cytochrome P450 -1A1 Induction in Fish as a Biomarker for Distribution of TCDD and TCDF in the Willamette River, Oregon.
Severity of Infection in Madison River (Montana) Sentinel Rainbow Trout
Sewer Service Areas - SPC region
Shopping Centers - SPC region
Shoreline of Mount Desert Island and Islands of Municipal Towns
Shrimp Harvest in the Gulf of Mexico
Shuttle Radar Topography Mission (SRTM) Elevation Dataset
Silver-haired Bat distribution in North America
Sistema de Información de la Diversidad Biológica y Ambiental de la Amazonía Peruana (SIAMAZONIA)
Slopes
Small game and fur taker data
Snail Sampling points Plummers Island
Snail Sampling points Plummers Island_1
Snowmobile Trails of PA
Soil Survey Geographic (SSURGO) database for Accomack County, Virginia
Soil Survey Geographic (SSURGO) database for Adams County, Pennsylvania
Soil Survey Geographic (SSURGO) database for Adams County, Pennsylvania_1
Soil Survey Geographic (SSURGO) database for Albemarle County, Virginia
Soil Survey Geographic (SSURGO) database for Allegany County, Maryland
Soil Survey Geographic (SSURGO) database for Alleghany County, Virginia
Soil Survey Geographic (SSURGO) database for Allegheny County, Pennsylvania
Soil Survey Geographic (SSURGO) database for Amelia County, Virginia
Soil Survey Geographic (SSURGO) database for Amherst County, Virginia
Soil Survey Geographic (SSURGO) database for Anne Arundel County, Maryland
Soil Survey Geographic (SSURGO) database for Anne Arundel County, Maryland_1
Soil Survey Geographic (SSURGO) database for Appomattox County, Virginia
Soil Survey Geographic (SSURGO) database for Arlington County, Virginia
Soil Survey Geographic (SSURGO) database for Armstrong County, Pennsylvania
Soil Survey Geographic (SSURGO) database for Atlantic County, New Jersey
Soil Survey Geographic (SSURGO) database for Augusta County, Virginia
Soil Survey Geographic (SSURGO) database for Barbour County, West Virginia
Soil Survey Geographic (SSURGO) database for Bath County, Virginia
Soil Survey Geographic (SSURGO) database for Beaver and Lawrence Counties, Pennsylvania
Soil Survey Geographic (SSURGO) database for Bedford County, Pennsylvania
Soil Survey Geographic (SSURGO) database for Bedford County, Virginia
Soil Survey Geographic (SSURGO) database for Bergen County, New Jersey
Soil Survey Geographic (SSURGO) database for Berkeley County, West Virginia
Soil Survey Geographic (SSURGO) database for Berks County, Pennsylvania
Soil Survey Geographic (SSURGO) database for Blair County, Pennsylvania
Soil Survey Geographic (SSURGO) database for Bland County, Virginia
Soil Survey Geographic (SSURGO) database for Boone County, West Virginia
Soil Survey Geographic (SSURGO) database for Botetourt County, Virginia
Soil Survey Geographic (SSURGO) database for Bradford and Sullivan County, Pennsylvania
Soil Survey Geographic (SSURGO) database for Braxton County, West Virginia
Soil Survey Geographic (SSURGO) database for Brooke, Hancock and Ohio Counties, West Virginia
Soil Survey Geographic (SSURGO) database for Brunswick County, Virginia
Soil Survey Geographic (SSURGO) database for Buchanan County, Virginia
Soil Survey Geographic (SSURGO) database for Buchanan County, Virginia_1
Soil Survey Geographic (SSURGO) database for Bucks County, Pennsylvania
Soil Survey Geographic (SSURGO) database for Burlington County, New Jersey
Soil Survey Geographic (SSURGO) database for Butler County, Pennsylvania
Soil Survey Geographic (SSURGO) database for Cabell County, West Virginia
Soil Survey Geographic (SSURGO) database for Calhoun and Roane Counties, West Virginia
Soil Survey Geographic (SSURGO) database for Calvert County, Maryland
Soil Survey Geographic (SSURGO) database for Cambria County, Pennsylvania
Soil Survey Geographic (SSURGO) database for Camden County, New Jersey
Soil Survey Geographic (SSURGO) database for Cameron and Elk Counties, Pennsylvania
Soil Survey Geographic (SSURGO) database for Campbell County, Virginia
Soil Survey Geographic (SSURGO) database for Cape May County, New Jersey
Soil Survey Geographic (SSURGO) database for Carbon County, Pennsylvania
Soil Survey Geographic (SSURGO) database for Caroline County, Virginia
Soil Survey Geographic (SSURGO) database for Carroll County, Virginia
Soil Survey Geographic (SSURGO) database for Centre County, Pennsylvania
Soil Survey Geographic (SSURGO) database for Charles City County, Virginia
Soil Survey Geographic (SSURGO) database for Charles County, Maryland
Soil Survey Geographic (SSURGO) database for Charlotte County, Virginia
Soil Survey Geographic (SSURGO) database for Chester County, Pennsylvania
Soil Survey Geographic (SSURGO) database for Chesterfield County, Virginia
Soil Survey Geographic (SSURGO) database for City of Alexandria, Virginia
Soil Survey Geographic (SSURGO) database for City of Baltimore, Maryland
Soil Survey Geographic (SSURGO) database for City of Chesapeake, Virginia
Soil Survey Geographic (SSURGO) database for City of Fairfax, Virginia
Soil Survey Geographic (SSURGO) database for City of Falls Church, Virginia
Soil Survey Geographic (SSURGO) database for City of Fredericksburg, Virginia
Soil Survey Geographic (SSURGO) database for City of Richmond, Virginia
Soil Survey Geographic (SSURGO) database for City of Suffolk, Virginia
Soil Survey Geographic (SSURGO) database for City of Virginia Beach, Virginia
Soil Survey Geographic (SSURGO) database for Clarion County, Pennsylvania
Soil Survey Geographic (SSURGO) database for Clarke County, Virginia
Soil Survey Geographic (SSURGO) database for Clay County, West Virginia
Soil Survey Geographic (SSURGO) database for Clearfield County, Pennsylvania
Soil Survey Geographic (SSURGO) database for Clinton County, Pennsylvania
Soil Survey Geographic (SSURGO) database for Columbia County, Pennsylvania
Soil Survey Geographic (SSURGO) database for Crawford County, Pennsylvania
Soil Survey Geographic (SSURGO) database for Culpeper County, Virginia
Soil Survey Geographic (SSURGO) database for Cumberland County, New Jersey
Soil Survey Geographic (SSURGO) database for Cumberland County, Pennsylvania
Soil Survey Geographic (SSURGO) database for Cumberland County, Virginia
Soil Survey Geographic (SSURGO) database for Daulphin County, Pennsylvania
Soil Survey Geographic (SSURGO) database for Delaware County, Pennsylvania
Soil Survey Geographic (SSURGO) database for Dinwiddie Area, Virginia
Soil Survey Geographic (SSURGO) database for District of Columbia
Soil Survey Geographic (SSURGO) database for Doddridge County, West Virginia
Soil Survey Geographic (SSURGO) database for Erie County, Pennsylvania
Soil Survey Geographic (SSURGO) database for Essex County, New Jersey
Soil Survey Geographic (SSURGO) database for Essex County, Virginia
Soil Survey Geographic (SSURGO) database for Fairfax County, Virginia
Soil Survey Geographic (SSURGO) database for Fauquier County, Virginia
Soil Survey Geographic (SSURGO) database for Floyd County, Virginia
Soil Survey Geographic (SSURGO) database for Fluvanna County, Virginia
Soil Survey Geographic (SSURGO) database for Forest and Warren Counties, Pennsylvania
Soil Survey Geographic (SSURGO) database for Franklin County, Pennsylvania
Soil Survey Geographic (SSURGO) database for Franklin County, Virginia
Soil Survey Geographic (SSURGO) database for Frederick County, Maryland
Soil Survey Geographic (SSURGO) database for Frederick County, Virginia
Soil Survey Geographic (SSURGO) database for Fulton County, Pennsylvania
Soil Survey Geographic (SSURGO) database for Garrett County, Maryland
Soil Survey Geographic (SSURGO) database for Giles County, Virginia
Soil Survey Geographic (SSURGO) database for Gilmer County, West Virginia
Soil Survey Geographic (SSURGO) database for Gloucester County, New Jersey
Soil Survey Geographic (SSURGO) database for Gloucester County, Virginia
Soil Survey Geographic (SSURGO) database for Goochland County, Virginia
Soil Survey Geographic (SSURGO) database for Grant and Hardy Counties, West Virginia
Soil Survey Geographic (SSURGO) database for Grayson County, Virginia
Soil Survey Geographic (SSURGO) database for Greenbrier County, West Virginia
Soil Survey Geographic (SSURGO) database for Greene County, Virginia
Soil Survey Geographic (SSURGO) database for Greene and Washington Counties, Pennsylvania
Soil Survey Geographic (SSURGO) database for Greensville County, Virginia
Soil Survey Geographic (SSURGO) database for Halifax County and the City of South Boston, Virginia
Soil Survey Geographic (SSURGO) database for Hampshire and Mineral Counties, West Virginia
Soil Survey Geographic (SSURGO) database for Hanover County, Virginia
Soil Survey Geographic (SSURGO) database for Harford County, Aberdeen Proving Ground, Maryland
Soil Survey Geographic (SSURGO) database for Harford County, Maryland
Soil Survey Geographic (SSURGO) database for Harrison and Taylor Counties, West Virginia
Soil Survey Geographic (SSURGO) database for Henrico County, Virginia
Soil Survey Geographic (SSURGO) database for Henry County, Virginia
Soil Survey Geographic (SSURGO) database for Howard County, Maryland
Soil Survey Geographic (SSURGO) database for Hunterdon County, New Jersey
Soil Survey Geographic (SSURGO) database for Huntingdon County, Pennsylvania
Soil Survey Geographic (SSURGO) database for Indiana County, Pennsylvania
Soil Survey Geographic (SSURGO) database for Isle of Wight County, Virginia
Soil Survey Geographic (SSURGO) database for Jackson and Mason Counties, West Virginia
Soil Survey Geographic (SSURGO) database for James City and York Counties and the City of Williamsburg, Virginia
Soil Survey Geographic (SSURGO) database for Jefferson County, Pennsylvania
Soil Survey Geographic (SSURGO) database for Jefferson County, West Virginia
Soil Survey Geographic (SSURGO) database for Jefferson County, West Virginia_1
Soil Survey Geographic (SSURGO) database for Juniata and Mifflin Counties, Pennsylvania
Soil Survey Geographic (SSURGO) database for Kanawha County, West Virginia
Soil Survey Geographic (SSURGO) database for Kent County, Delaware
Soil Survey Geographic (SSURGO) database for Kent County, Maryland
Soil Survey Geographic (SSURGO) database for King William County, Virginia
Soil Survey Geographic (SSURGO) database for King and Queen County, Virginia
Soil Survey Geographic (SSURGO) database for Lackawanna County, Pennsylvania
Soil Survey Geographic (SSURGO) database for Lancaster County, Pennsylvania
Soil Survey Geographic (SSURGO) database for Lebanon County, Pennsylvania
Soil Survey Geographic (SSURGO) database for Lee County, Virginia
Soil Survey Geographic (SSURGO) database for Lehigh County, Pennsylvania
Soil Survey Geographic (SSURGO) database for Lewis County, West Virginia
Soil Survey Geographic (SSURGO) database for Lewis County, West Virginia_1
Soil Survey Geographic (SSURGO) database for Lincoln County, West Virginia
Soil Survey Geographic (SSURGO) database for Logan and Mingo Counties, West Virginia
Soil Survey Geographic (SSURGO) database for Loudoun County, Virginia
Soil Survey Geographic (SSURGO) database for Louisa County, Virginia
Soil Survey Geographic (SSURGO) database for Lunenburg County, Virginia
Soil Survey Geographic (SSURGO) database for Luzerne County, Pennsylvania
Soil Survey Geographic (SSURGO) database for Lycoming County, Pennsylvania
Soil Survey Geographic (SSURGO) database for Madison County, Virginia
Soil Survey Geographic (SSURGO) database for Marion and Monongalia Counties, West Virginia
Soil Survey Geographic (SSURGO) database for Marshall County, West Virginia
Soil Survey Geographic (SSURGO) database for Mathews County, Virginia
Soil Survey Geographic (SSURGO) database for McDowell County, West Virginia
Soil Survey Geographic (SSURGO) database for McKean County, Pennsylvania
Soil Survey Geographic (SSURGO) database for Mecklenburg County, Virginia
Soil Survey Geographic (SSURGO) database for Mercer County, New Jersey
Soil Survey Geographic (SSURGO) database for Mercer County, Pennsylvania
Soil Survey Geographic (SSURGO) database for Mercer and Summers Counties, West Virginia
Soil Survey Geographic (SSURGO) database for Middlesex County, New Jersey
Soil Survey Geographic (SSURGO) database for Middlesex County, Virginia
Soil Survey Geographic (SSURGO) database for Mongomery County, Pennsylvania
Soil Survey Geographic (SSURGO) database for Monmouth County, New Jersey
Soil Survey Geographic (SSURGO) database for Monroe County, Pennsylvania
Soil Survey Geographic (SSURGO) database for Monroe County, West Virginia
Soil Survey Geographic (SSURGO) database for Monroe County, West Virginia_1
Soil Survey Geographic (SSURGO) database for Montgomery County, Maryland
Soil Survey Geographic (SSURGO) database for Montgomery County, Virginia
Soil Survey Geographic (SSURGO) database for Montour County, Pennsylvania
Soil Survey Geographic (SSURGO) database for Morgan County, West Virginia
Soil Survey Geographic (SSURGO) database for Morgan County, West Virginia_1
Soil Survey Geographic (SSURGO) database for Morris County, New Jersey
Soil Survey Geographic (SSURGO) database for Nelson County, Virginia
Soil Survey Geographic (SSURGO) database for New Kent County, Virginia
Soil Survey Geographic (SSURGO) database for Nicholas County, West Virginia
Soil Survey Geographic (SSURGO) database for Northampton County, Pennsylvania
Soil Survey Geographic (SSURGO) database for Northampton County, Virginia
Soil Survey Geographic (SSURGO) database for Northumberland County, Pennsylvania
Soil Survey Geographic (SSURGO) database for Northumberland and Lancaster Counties, Virginia
Soil Survey Geographic (SSURGO) database for Nottoway County, Virginia
Soil Survey Geographic (SSURGO) database for Ocean County, New Jersey
Soil Survey Geographic (SSURGO) database for Orange County, Virginia
Soil Survey Geographic (SSURGO) database for Page County, Virginia
Soil Survey Geographic (SSURGO) database for Passaic County, New Jersey
Soil Survey Geographic (SSURGO) database for Patrick County, Virginia
Soil Survey Geographic (SSURGO) database for Pendleton County, West Virginia
Soil Survey Geographic (SSURGO) database for Perry County, Pennsylvania
Soil Survey Geographic (SSURGO) database for Philadelphia County, Pennsylvania 2005
Soil Survey Geographic (SSURGO) database for Pike County, Pennsylvania
Soil Survey Geographic (SSURGO) database for Pittsylvania County and the City of Danville, Virginia
Soil Survey Geographic (SSURGO) database for Pleasants and Tyler Counties, West Virginia
Soil Survey Geographic (SSURGO) database for Pocahontas County, West Virginia
Soil Survey Geographic (SSURGO) database for Potter County, Pennsylvania
Soil Survey Geographic (SSURGO) database for Powhatan County, Virginia
Soil Survey Geographic (SSURGO) database for Prince Edward County, Virginia
Soil Survey Geographic (SSURGO) database for Prince George County, Virginia
Soil Survey Geographic (SSURGO) database for Prince William County, Virginia
Soil Survey Geographic (SSURGO) database for Pulaski County, Virginia
Soil Survey Geographic (SSURGO) database for Putnam County, West Virginia
Soil Survey Geographic (SSURGO) database for Queen Anne's County, Maryland
Soil Survey Geographic (SSURGO) database for Randolph County Area, Main Part, West Virginia
Soil Survey Geographic (SSURGO) database for Rappahannock County, Virginia
Soil Survey Geographic (SSURGO) database for Richmond County, Virginia
Soil Survey Geographic (SSURGO) database for Ritchie County, West Virginia
Soil Survey Geographic (SSURGO) database for Roanoke County and the Cities of Roanoke and Salem, Virginia
Soil Survey Geographic (SSURGO) database for Rockingham County, Virginia
Soil Survey Geographic (SSURGO) database for Russell County, Virginia
Soil Survey Geographic (SSURGO) database for Salem County, New Jersey
Soil Survey Geographic (SSURGO) database for Schuylkill County, Pennsylvania
Soil Survey Geographic (SSURGO) database for Scott County, Virginia
Soil Survey Geographic (SSURGO) database for Shenandoah County, Virginia
Soil Survey Geographic (SSURGO) database for Smyth County, Virginia
Soil Survey Geographic (SSURGO) database for Snyder County, Pennsylvania
Soil Survey Geographic (SSURGO) database for Somerset County, Maryland
Soil Survey Geographic (SSURGO) database for Somerset County, New Jersey
Soil Survey Geographic (SSURGO) database for Somerset County, Pennsylvania
Soil Survey Geographic (SSURGO) database for Southampton County, Virginia
Soil Survey Geographic (SSURGO) database for Spotsylvania County, Virginia
Soil Survey Geographic (SSURGO) database for St. Mary?s County, Maryland
Soil Survey Geographic (SSURGO) database for St. Marys County, Maryland
Soil Survey Geographic (SSURGO) database for Stafford and King George Counties, Virginia
Soil Survey Geographic (SSURGO) database for Surry County, Virginia
Soil Survey Geographic (SSURGO) database for Susquehanna County, Pennsylvania
Soil Survey Geographic (SSURGO) database for Sussex County, Delaware
Soil Survey Geographic (SSURGO) database for Sussex County, New Jersey
Soil Survey Geographic (SSURGO) database for Sussex County, Virginia
Soil Survey Geographic (SSURGO) database for Tazewell County, Virginia
Soil Survey Geographic (SSURGO) database for Tidewater Cities Area, Virginia
Soil Survey Geographic (SSURGO) database for Tioga County, Pennsylvania
Soil Survey Geographic (SSURGO) database for Tucker County and Part of Northern Randolph County, West Virginia
Soil Survey Geographic (SSURGO) database for Union County, New Jersey
Soil Survey Geographic (SSURGO) database for Union County, Pennsylvania
Soil Survey Geographic (SSURGO) database for Upshur County, West Virginia
Soil Survey Geographic (SSURGO) database for Venango County, Pennsylvania
Soil Survey Geographic (SSURGO) database for Warren County, Virginia
Soil Survey Geographic (SSURGO) database for Washington County and City of Bristol, Virginia
Soil Survey Geographic (SSURGO) database for Washington County, Maryland
Soil Survey Geographic (SSURGO) database for Wayne County, Pennsylvania
Soil Survey Geographic (SSURGO) database for Wayne County, West Virginia
Soil Survey Geographic (SSURGO) database for Webster County, West Virginia
Soil Survey Geographic (SSURGO) database for Westmoreland County, Pennsylvania
Soil Survey Geographic (SSURGO) database for Westmoreland County, Virginia
Soil Survey Geographic (SSURGO) database for Wetzel County, West Virginia
Soil Survey Geographic (SSURGO) database for Wicomico County, Maryland
Soil Survey Geographic (SSURGO) database for Wood and Wirt Counties, West Virginia
Soil Survey Geographic (SSURGO) database for Worcester County, Maryland
Soil Survey Geographic (SSURGO) database for Wyoming County, Pennsylvania
Soil Survey Geographic (SSURGO) database for Wyoming County, West Virginia
Soil Survey Geographic (SSURGO) database for Wythe County, Virginia
Soil Survey Geographic (SSURGO) database for York County, Pennsylvania
Soil Survey Geographic (SSURGO) database for the District of Columbia
Soils (Prime Agricultural ) - SPC Region
Somerset - Chesapeake Bay Critical Area
Somerset County, Maryland floodplains
South African National Wetland Inventory
Southeast Coastal Monitoring Project - CTD database
Southeast Fisheries Center Charterboat Catch per Effort
Southeast U.S. Domestic Fishery Catch Effort
Southeast U.S. Turtle Sightings Arial Survey Data Files
Southeast US Headboat Fishery Statistics
Southeast US Resource Survey (Groundfish) Files
Southeast US Resource Survey (SEAMAP) Files;...
Southeastern Myotis distribution in North America
Southeastern U.S. Commercial General Canvass Landings Data
Southeastern U.S. Commercial Shrimp Landings and Effort Data
Southern Appalachian Volunteer Environmental Monitoring (SAVEM) project benthic water quality sample sites
Southern Appalachian Volunteer Environmental Monitoring (SAVEM) project benthic water quality sample sites_1
Spatial Trends in TCDD/TCDF Concentrations in Sediment and Bottom Fish Collected in Lake Roosevelt (Columbia River)
Spatial Trends in TCDD/TCDF Concentrations in Sediment and Bottom Fish Collected in Lake Roosevelt (Columbia River).
Special Concern Species Occurrence Database
Species Diversity and Richness
Specimen Checklists and Zoology Databases of The Illinois State Museum
Spring Creek Watershed 30-meter digital elevation model
Spring Creek Watershed 7.5 minute quadrangle coverage
Spring Creek Watershed PCB and other pollution data
Spring Creek Watershed STATSGO soil coverage
Spring Creek Watershed basin area
Spring Creek Watershed boundaries
Spring Creek Watershed buffer boundaries
Spring Creek Watershed minor civil divisions
Spring Creek Watershed roads
Spring Creek Watershed soils
Spring Creek Watershed streams
Spring Creek Watershed water quality monitoring stations
Spring Creek Watershed wetlands
St. Mary's County, Maryland floodplains
State Fish Hatcheries
State Fish Hatcheries_1
State Gamelands
State Soil Geographic (STATSGO) Database for the Susquehanna River Basin
State of the Elizabeth River 2003
State parks in Pennsylvania
Station/Environmental Data Sets from Pump Casts
Steelhead Critica Habitat - Central California Coast
Steelhead Critical Habitat - California Central Valley
Steelhead Critical Habitat - Northern California
Steelhead Critical Habitat - South-central California Coast
Steelhead Critical Habitat - Southern California
Steelhead Distribution - California Central Valley
Steelhead Distribution - Central California Coast
Steelhead Distribution - Northern California
Steelhead Distribution - South-central California Coast
Steelhead Distribution - Southern California
Stone Valley Experimental Forest
Stone Valley Forest Boundary
Stone Valley Recreation Area - Trails
Storage Tank Locations
Storage Tank Locations_1
Storage Tank Locations_10
Storage Tank Locations_11
Storage Tank Locations_12
Storage Tank Locations_13
Storage Tank Locations_14
Storage Tank Locations_2
Storage Tank Locations_3
Storage Tank Locations_4
Storage Tank Locations_5
Storage Tank Locations_6
Storage Tank Locations_7
Storage Tank Locations_8
Storage Tank Locations_9
Stormwater Management Watersheds 2002
Strata
Stratification of Delaware 2002
Stratification of Maryland 2002
Stratification of New Jersey 2002
Stratification of New York 2002
Stratification of Pennsylvania 2002
Stratification of Virginia 2002
Stratification of West Virginia 2002
Stream ReLeaf
Stream Sections that Support Natural Reproduction of Trout
Stream Sections that Support Natural Reproduction of Trout_1
Stream Sections that Support Wild Trout Production
Stream Sections that Support Wild Trout Production_1
Stream Sections that Support Wild Trout Production_2
Stream Sections that Support Wild Trout Production_3
Stream sampling stations for watershed study, Chesapeake Bay
Streamflow Correlation with Whirling Disease Fish Infection
Streams 305b 2004
Streams Chapter 93 Designated Use
Streams Chapter 93 Designated Use_1
Streams Chapter 93 Designated Use_2
Streams Chapter 93 Designated Use_3
Streams Historic
Street Centerlines
Streets & Roads - SPC Region
Streets in Municipality of Murrysville
Structure - polygons
Studies of Ecological Requirements and Role of Stocking Augmentation for Endangered Razorback Sucker and Bonytail in the Lower Colorado River Basin - Fish densities and population estimates
Sturgeon Information Infrastructure (SII) - Great Lakes Basin, 1940-2006
Sub-watersheds: Eastern Brook Trout Joint Venture
Subbasins of the Susquehanna River Basin
Sulfur Cycling Monitoring Results for North Chickamauga Creek Constructed Wetlands (Sediment)
Sulfur Cycling Monitoring Results for North Chickamauga Creek Constructed Wetlands (Sediment)_1
Surface Data
Surface Geology
Surface-water quality assessment of the Yakima River Basin, Washington: Pesticide and Other Trace-organic compound data for Water, Sediment, Soil, and Aquatic Biota, 1987-91.
Survey of juvenile salmon and associated epipelagic ichthyofauna in the marine waters of Southeast Alaska
Susquehanna River Basin Commission (multiple layers)
TILE INDEX - USGS High Resolution Orthoimage for Mercer County, PA, Urban Area
TILE INDEX - USGS High Resolution Orthoimage for the Pittsburgh, PA (Allegheny and Beaver Counties), Urban Area
TMDL Lakes
TMDL Lakes_1
TMDL Lakes_2
TMDL Lakes_3
TMDL Lakes_4
TMDL Lakes_5
Talbot - Chesapeake Bay Critical Area
Talbot County, Maryland floodplains
Taxonomic Review of Category 2 Species, brdsar0001 - Parent Taxonomic Review Metadata
Taxonomic Validation for Crustacean species on the U.S. Fish and Wildlife Service Category 2 Species list, brdsar0004
Taxonomic Validation for Fish Species on the U.S. Fish and Wildlife Service Category 2 Species list, brdsar0009
Taxonomic Validation for Freshwater Bivalve and Gastropod Species on the U.S. Fish and Wildlife Service Category 2 species, brdsar0003
Taxonomic Validation for Odonate Species on the U.S. Fish and Wildlife Service Category 2 Species List, brdsar0008
Taxonomic Validation for Snails (Family Hydrobiidae) on the U.S. Fish and Wildlife Service Category 2 Species list, brdsar0002
Taxonomic validation for amphibian species on the U.S. Fish and Wildlife Service Category 2 Species list, brdsar0010
Terrestrial Resources Group
The Andean Botanical Information System (ABIS)
The Biotica Information System
The Commitee of Recently Extinct Organisms (CREO) mammal and fish Extinctions Databases
The Ecological Modeling of Sustainable Cockle-Fishery in the Wadden Sea, The Netherlands
The Field Museum of Chicago: Botany and Zoology Specimens Collection Database
The Foote Brook Natural Channel Design Restoration Project (2001) and Post Monitoring Project (2002)--Johnson, Vermont
The Mesoamerican Regional Visualization and Monitoring System (SERVIR)
The Missouri Botanical Garden (MBG) Nomenclatural Database (W3-TROPICOS)
The Multistate Aquatic Resource Information System (MARIS)
The North American Breeding Bird Survey, Results and Analysis 1966 - 2007
The Pacific Northwest Index (PNI)
The Reef Fish Survey Project
The West Branch Natural Channel Design Restoration Project (2001) and Post Monitoring Project (2002) -- Stowe, Vermont
The anatomy of plants with an idea of a philosophical history of plants, and several other lectures read before the Royal Society
Threatened and Endangered Species of Tennessee
Threatened and Endangered Species of Tennessee_1
Tide Gauge at SERC Dock, 1980 - 1990
Tissue Concentration - PCBs total (calc) 200-1000 PPB
Tonoloway Creek riparian covertypes
Topographic Change - in Philadelphia, During the Last Century
Topography - One Meter Contours
Tornados Mid-Atlantic States 1950 to 2004
Tornados Pennsylvania 1950 to 2004
Total Maximum Daily Load (TMDL)
Total Maximum Daily Load (TMDL)_1
Total Maximum Daily Load (TMDL)_2
Total Maximum Daily Load (TMDL)_3
Total Maximum Daily Load (TMDL)_4
Total Maximum Daily Load (TMDL)_5
Total Maximum Daily Load (TMDL)_6
Total Oceanic Commercial Fisheries Catch Data Files
Total Oceanic Commercial Fisheries Catch and Effort Data Files
Total Oceanic Commercial Fisheries Length-Frequency Data Files
Townsend's Big-eared Bat distribution in North America
Toxic Chemical Release Inventory (TRI) Data for sites in Pennsylvania
Toxicity and Bioavailability of Metals in the Missouri River adjacent to a Lead Refinery
Traffic Analysis Zones - SPC Region
Traffic Signals - SPC region
Transit Routes - SPC Region
Transportation Networks (Major Roads) - SPC Region
Tree - point
Triactinomyxons (TAMs) release by Tubificids Collected from the Madison River (Montana)
Tributary Strategy Areas
Turnpike Toll Plazas
U.S. County boundaries (clipped to the Susquehanna River basin)
U.S. Fish Explorer
U.S. Fisheries Imports and Exports
U.S. Menhaden Purse Seine Fishery Statistics: Catch Effort, and...
U.S. River Runoff at Ocean Sites
UNESCO IOC Register of Marine Organisms
USDA - NAIP County Mosaics for Pennsylvania 2005
USDA - NATIONAL AGRICULTURE STATISTICS SERVICE'S 1:100,000-SCALE 2002 CROPLAND DATA LAYER, A Crop-Specific Digital Data Layer for Delaware
USDA - NATIONAL AGRICULTURE STATISTICS SERVICE'S 1:100,000-SCALE 2002 CROPLAND DATA LAYER, A Crop-Specific Digital Data Layer for Maryland
USDA - NATIONAL AGRICULTURE STATISTICS SERVICE'S 1:100,000-SCALE 2002 CROPLAND DATA LAYER, A Crop-Specific Digital Data Layer for New Jersey
USDA - NATIONAL AGRICULTURE STATISTICS SERVICE'S 1:100,000-SCALE 2002 CROPLAND DATA LAYER, A Crop-Specific Digital Data Layer for New York
USDA - NATIONAL AGRICULTURE STATISTICS SERVICE'S 1:100,000-SCALE 2002 CROPLAND DATA LAYER, A Crop-Specific Digital Data Layer for Pennsylvania
USDA - NATIONAL AGRICULTURE STATISTICS SERVICE'S 1:100,000-SCALE 2002 CROPLAND DATA LAYER, A Crop-Specific Digital Data Layer for Virginia
USDA - NATIONAL AGRICULTURE STATISTICS SERVICE'S 1:100,000-SCALE 2002 CROPLAND DATA LAYER, A Crop-Specific Digital Data Layer for West Virginia
USGS - Atlas Blocks Current Atlases
USGS - Atlas Projects Published Atlases
USGS - Atlas Status US Canadian
USGS - Chesapeake Bay River Input Monitoring Program
USGS - Decision-Support Tools for Water-Quality Management
USGS - NABCI Bird Conservation Regions
USGS - Partners Flight Physiographic Regions
USGS - SPARROW v3 Decision Support Tool
USGS - Sediment Result Maps
USGS - Water Data for the Nation
USGS Atlas Topo Quads (larger block units)
USGS Dock Monitoring station, daily data, 1980 - 1990
USGS High Resolution Orthoimage for the Pittsburgh, PA (Allegheny and Beaver Counties), Urban Area.
USGS High Resolution Orthoimages - Berks and Schuylkill
USGS High Resolution State DRG - Mosaic
USGS High Resolution State Orthoimagery - Mosaic
USGS quadrangle boundaries - SPC region
UVB spectral Edgewater, MD
United States Biomass Resource Assessment
Unpaved Roads
Unpaved Roads of Pennsylvania
Unpaved Roads_1
Unsuitable Mining 2002
Upper Holston River Watershed Active Save Our Streams Sites
Upper Holston River Watershed Active Save Our Streams Sites_1
Upper Holston River Watershed City Locations from the U.S. Geographic Names Information System Populated Places
Upper Holston River Watershed City Locations from the U.S. Geographic Names Information System Populated Places_1
Upper Holston River Watershed Proposed Save Our Streams Sites
Upper Holston River Watershed Proposed Save Our Streams Sites_1
Upper Little Tennessee River Watershed Clipped File from U.S. National Atlas Cities
Upper Little Tennessee River Watershed Clipped File from U.S. National Atlas Cities_1
Upper Nolichucky River Area Clipped File from U.S. National Atlas Cities
Upper Nolichucky River Area Clipped File from U.S. National Atlas Cities_1
Upper Nolichucky River Watershed Active Save Our Streams Sites
Upper Nolichucky River Watershed Active Save Our Streams Sites_1
Upper Nolichucky River Watershed Proposed Save Our Streams Sites
Upper Nolichucky River Watershed Proposed Save Our Streams Sites_1
Upper Susquehanna Subbasin
Urban Ecosystem Analysis Ikonos interpreted land cover for the Cobbs/Mill Creek and Tacony/Frankford Creek watersheds, 2002, philly02cls.img
VIMS Juvenile Fish and Blue Crab Trawl Survey
Vegetation Spatial Database Coverage for the Acadia National Park Vegetation Mapping Project
Vegetation Spatial Database Coverage for the Voyageurs National Park Vegetation Mapping Project
Vegetation Spatial Database Coverages for the Effigy Mounds National Monument Vegetation Mapping Project
Virginia Chesapeake Bay Monitoring Program: Lower Chesapeake Bay Mesozooplankton Study (July 1985 through December 1999)
Virginia Chesapeake Bay Monitoring Program: Lower Chesapeake Bay Phytoplankton and Picoplankton Study (July 1985 through December 1999)
Virginia Chesapeake Bay Water Quality Monitoring Program: Horizontal and Vertical Fluorescence Component
Virginia Chesapeake Bay Water Quality Monitoring Program: Phytoplankton- Primary Productivity Component
Virginia Department of Environmental Quality - Environmental reports, studies and data
Virginia ESI: BIRDS (Bird Polygons)
Virginia ESI: ESI (Environmental Sensitivity Index Shoreline Types - Lines)
Virginia ESI: ESI (Environmental Sensitivity Index Shoreline Types - Polygons)
Virginia ESI: FISH (Fish Polygons)
Virginia ESI: HABITATS (Habitat Polygons)
Virginia ESI: INVERT (Invertebrate Polygons)
Virginia ESI: M_MAMMAL (Marine Mammal Polygons)
Virginia ESI: REPTILES (Reptile Polygons)
Virginia ESI: SOCECON (Socioeconomic Resource Lines)
Virginia ESI: T_MAMMAL (Terrestrial Mammal Polygons)
Virginia ESI: Wetlands (Wetland Polygons)
Virginia Institute of Marine Sciences Juvenile Bluefish Seine Survey
Virginia Institute of Marine Sciences Juvenile Striped Bass Seine Survey
Voyageurs National Park, Fields Plot Data Database for Vegetation Mapping Project
Vulnerable Lands in the Chesapeake Bay watershed
WAFER - Fire and Water Data in the Southwest
WCO Districts
WCO Districts_1
Warehouses (Public) - SPC Region
Warmwater/Coolwater Flowing Water Fisheries
Warmwater/Coolwater Flowing Water Fisheries_1
Warmwater/Coolwater Flowing Water Fisheries_2
Warmwater/Coolwater Lake Fisheries
Warmwater/Coolwater Lake Fisheries (Points)
Warmwater/Coolwater Lake Fisheries (Points)_1
Warmwater/Coolwater Lake Fisheries (Polygons)
Warmwater/Coolwater Lake Fisheries (Polygons)_1
Warmwater/Coolwater Lake Fisheries_1
Washington County, Maryland floodplains
Water Discharge locations (PCS) - point
Water Pollution Control Facilities
Water Pollution Control Facilities_1
Water Pollution Control Facilities_10
Water Pollution Control Facilities_11
Water Pollution Control Facilities_12
Water Pollution Control Facilities_13
Water Pollution Control Facilities_14
Water Pollution Control Facilities_2
Water Pollution Control Facilities_3
Water Pollution Control Facilities_4
Water Pollution Control Facilities_5
Water Pollution Control Facilities_6
Water Pollution Control Facilities_7
Water Pollution Control Facilities_8
Water Pollution Control Facilities_9
Water Quality 303d 305b
Water Resources
Water Resources_1
Water Resources_10
Water Resources_11
Water Resources_12
Water Resources_13
Water Resources_14
Water Resources_15
Water Resources_2
Water Resources_3
Water Resources_4
Water Resources_5
Water Resources_6
Water Resources_7
Water Resources_8
Water Resources_9
Water Service Areas - SPC region
Water Temperature Data from the Green and Yampa Rivers
Water Trails within the Susquehanna River Basin
Water bodies - polygon
Waterbird Colonies Sites
Waterfowl Breeding Population Survey
Waterfowl Breeding Population and Habitat Survey - Segment Center Points (segcenters)
Waterfowl Breeding Population and Habitat Survey - Strata
Waterfowl Breeding Population and Habitat Survey - Transects
Waterfowl banding database
Waterfowl recapture database
Watershed Boundaries of Mount Desert Island and Lands of Mount Desert Island Municipalities
Watershed boundaries for New York clipped to the Delaware River Basin 2004
Watershed boundaries for Pennsylvania clipped to the Delaware River Basin 2004
Watershed boundaries for study watersheds, Chesapeake Bay
Watersheds - SPC Region
Watersheds for New Jersey clipped to the Delaware River Basin 2004
Watersheds of the Susquehanna River Basin at Aprrox. 1:24,000 Scale
West Branch Susquehanna Subbasin
West Branch of the Delaware River boundary 2004
West Coast Upwelling Indices Data Files
Western Pennsylvania Conservancy Easements
Western Pennsylvania Conservancy Properties
Western Pennsylvania Conservancy's Historic Projects
Wetland - polygon
Wicomico County, Maryland floodplains
Wild Animal and Plant Information Transfer Infrastructure (WAPITI)
Wild Species 2005: The General Status of Species in Canada.
Wild and Natural Areas
Wilderness Trout Streams
Wilderness Trout Streams_1
Wilderness Trout Streams_2
Wildlife Management Units
Wildlife Management Units_1
Wildlife Management Units_2
Willamette River TCDD and TCDF study
Wind Resource Potential - Mid-Atlantic states
Wind Resource maps (50 m) Mid-Atlantic States
Winter Mortality Index
Wintering Waterfowl Population Survey
Wisconsin Master Fish File
Wooded areas - polygon
Woodrat sites
Worcester County, Maryland floodplains
Worm Habitat in Maine
Zebra Mussel Monitoring in Washington State
ZipCodes - SPC Region
Zoning Districts
ZooGene - A DNA Sequence Database for Calanoid Copepods and Euphausiids
Zooplankton Data Sets from Pump Casts
bbs_start
bcr
cdfg_100k_2003_6
cdfg_AbundanceChinook_ln
cdfg_AbundanceChinook_pnt
cdfg_AbundanceSteelhead_ln
cdfg_AbundanceSteelhead_pnt
cdfg_CohoDistribution200705
cdfg_SummerSteelheadDistribution200706
cdfg_WinterSteelheadDistribution200706
frgp_boundary.txt
landcover10_3k_022007.img
landcover12_3k_022007.img
landcover5_3k_022007.img
qm_surface_sed_tpah_95_99_erl_erm_shp
qm_surface_sed_tpcbs_95_99_shp
tempShape

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