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Federal
1:100,000-scale Digital Line Graphs (DLG) from the U.S. Geological Survey
National Aeronautics and Space Administration —
Digital line graph (DLG) data are digital representations of cartographic information. DLG's of map features are converted to digital form from maps and related... -
Federal
Multi-Resolution Land Characteristics
National Aeronautics and Space Administration —
The Multi-Resolution Land Characteristics (MRLC) project was established to provide multi-resolution land cover data of the conterminous United States from local to... -
Federal
Aerial Photographs (from AMES Pilot Land Data System); USGS EDC, Sioux Falls
National Aeronautics and Space Administration —
The aerial photography inventoried by the Pilot Land Data System (PLDS) at NASA AMES Research Center has been transferred to the USGS EROS Data Center. The photos... -
Federal
Global Land Cover Characterization Program
National Aeronautics and Space Administration —
The Global Land Cover Characterization Project was established to meet science data requirements identified by the International Geosphere and Biosphere Programme...