Natural Resources Conservation Service (watershed data and technical information):

Pacific Northwest Bureau of Reclamation, Dams, Facilities, Electrical Power:

National Atmospheric and Oceanic Administration (climate data by states):

National Aeronautics and Space Administration, Earth Observing System, including normalize differentiated vegetation index and land biosphere images:

Examples of Federal Sites—Geographic Information System Data

Geological Survey National Geospatial Data Clearing House:

National Spatial Data Infrastructure:

U.S. Geological Survey, Hydrologic Unit Boundary Maps:

U.S. Geological Survey Water, Land, and Population Data:

Examples of Federal Sites—Economic And Social Data

Bureau of the Census, Demographic and Business Data:

Federal Reserve Bank System, Economic Data, Northern Plains Example:

Regional Economic Data, Upper Mid-West Example:

Regional Economic Data, Links to all Regions of the Country:

Department of Transportation, Bureau of Transportation Statistics, Links to Databases and GIS:

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