• The National GeoPlatorm (geoplatform.gov) provides shared and trusted geospatial data, services, and applications for use by the public and by government agencies and partners to meet their mission needs.

• Data.gov to find data or map services, make a map, browse community information, and more.

• National Elevation Dataset for high resolution US elevation data.

• U.S. Geological Survey The National Map to view and download world geospatial information.

• U.S. Department of Agriculture Geospatial Data Gateway for natural resource and environmental data.

• U.S. Department of Transportation Geospatial Data Sources provide GIS Data Resources information.

The following links exit the site Exit

• Integrated Taxonomic Information System provides authoritative taxonomic information on plants, animals, fungi and microbes including the locations of these organisms on Earth.

• Open Geospatial Consortiuma non-profit, international, voluntary consensus standards organization that is leading the development of standards for geospatial and location based services.

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