Geospatial Data Resources Guide: National Data Resources

A federal metadata repository that serves as the primary resource for data discovery at national, state, and local scales.

Provides aggregate census data and GIS-compatible boundary files for the US from 1790 - 2014.

U.S. Bureau of Land Management. Provides bureau-wide and state-specific geospatial metadata for energy and rangelands.

U.S. Centers for Disease Control. Links to public health and related geospatial data at both the national and international level.

U.S. Environmental Protection Agency Environmental Justice Screening and Mapping Tool. Provides geospatial analysis tools for environmental, demographic, and justice indexes.

A source for geospatial data and databases that describe vegetation, wildland fuel, and fire regimes across the entire United States. The program is shared between the wildland fire management programs of the U.S. Department of Agriculture Forest Service (USFS) and U.S. Department of the Interior (DOI).

U.S. National Oceanic and Atmospheric Administration. Provides oceanic, coastal, atmospheric, and geophysical data.

U.S. National Oceanic and Atmospheric Administration. Provides raster navigational charts.

U.S. National Park Service. Provides metadata for national parks throughout the U.S. and its territories.

U.S. Department of Agriculture. Provides natural resource, agriculture, and imagery data (requires up-to-date java).

U.S. Geological Survey Data and Tools home page. Select "Data and Tools Topics" to filter by field of study (e.g. Biology and Ecosystems, Geology, Oceans, etc). Select "GIS Data" to access mapping information from all topics.

A comprehensive guide to climate data, ecosystem vulnerability assessments, and climate adaptation databases and tools.

U.S. Geological Survey Coastal and Marine Geology Program. Provides data on sediment and rock distributions as well as seafloor characteristics for waters off the U.S. coast.

U.S. Geological Survey. Provides satellite images, aerial photographs, and other cartographic products.

U.S. Geological Survey Earth Resources Observation and Science Center. Provides aerial photography and digital orthophotography, elevation data (NED, DEMs, GTOPO30, etc), satellite imagery (ASTER, SRTM, SIR-C, NALC, etc), and land cover data (NLCD, LULC, GLCC, etc).

U.S. Geological Survey. Provides elevation, hydrography, geographic names, boundaries, transportation, structures, and land cover data as well as orthoimagery.