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    Federal
NACP North American Forest Dynamics Project: Forest Disturbance and Regrowth Data
National Aeronautics and Space Administration —
This data set provides the results of time-series analyses of Landsat imagery for 55 selected forested sites across the conterminous U.S.A. The output is a pair of... - 
  
    Federal
Interferometric Synthetic Aperture Radar (IFSAR) Alaska
National Aeronautics and Space Administration —
The U.S. Geological Survey (USGS) National Geospatial Program (NGP) developed the Alaska Mapping Initiative (AMI) to collaborate with the State and other Federal... - 
  
    Federal
International Bathymetric Chart of the Arctic Ocean, Version 1.0
National Oceanic and Atmospheric Administration, Department of Commerce —
The goal of this initiative is to develop a digital data base that contains all available bathymetric data north of 64 degrees North, for use by mapmakers,... - 
  
    Federal
Northern and Mid-Latitude Soil Database, Version 1, R1
National Aeronautics and Space Administration —
The U.S. Department of Agriculture, Agriculture and Agri-Food Canada, the Russian Academy of Agricultural Sciences, the University of Copenhagen Institute of...