Coastal Services Center

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Federal GIS Data Web Sites

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Environmental Protection Agency

Geographic Information Systems (GIS) Tools
Links to EPA GIS-based watershed tools and maps

EPA Regional Offices
Access to EPA regional GIS databases

National Aeronautics & Space Administration (NASA) Data Access

SEAWIFS

MODIS

National Oceanic and Atmospheric Administration (NOAA)

NOAA Coastal Services Center
Access to digital shoreline, ArcView extensions, and LIDAR data

NOAA CoastWatch Data Access
Access to Advanced Very High-Resolution Radiometers (AVHRR) data

NOAA NOS Data Explorer
Access to NOAA data including bathymetry, nautical charts, and hydrographic surveys

NOAA National Oceanographic Data Center (NODC) Data Access
NOAA satellite data access list

NOAA Special Projects Office
Contains estuarine bathymetry data, medium resolution vector shoreline, shellfish register

U.S. Geological Survey (USGS)

Distribute Active Archive Center (DAAC)
Search for Landsat 7, MODIS, and ASTER satellite data

Earth Explorer
Search for aerial photos, satellite imagery, and cartographic products

Gap Analysis Program (GAP)
Provides regional assessments of conservation status of native vertebrate species and natural land cover types and facilitates the application of this information to land management activities

National Atlas of the United States of America
Provides high-quality, small-scale maps; the atlas will include authoritative digital national geospatial and geostatistical data sets

National Elevation Dataset (NED)
Search for best-available elevation data

Product Page
Contains comprehensive list of USGS data sets

Other Federal Agencies

Census Bureau TIGER Page
Provides information on a digital database of geographic features, such as roads, railroads, rivers, lakes, political boundaries, census statistical boundaries, etc.

Federal Emergency Management Agency (FEMA) Digital Q3 Flood Data
Access to Q3 flood data product that is a valuable tool in screening property addresses within a GIS to determine flood risks

National Park Service (NPS) Geographic Information Systems
Provides park boundaries, streams, trails, land cover, and vegetation

Natural Resources Conservation Service (NRCS) Data Resources
Distributes natural resources inventory, plants, and soils data

U.S. Fish and Wildlife Service (USFWS) National Wetlands Inventory (NWI)
Provides information about the characteristics, extent, and status of wetlands and deepwater habitats

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