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Federal
CORONA Satellite Photography
National Aeronautics and Space Administration —
On February 24, 1995, President Clinton signed an Executive Order, directing the declassification of intelligence imagery acquired by the first generation of United... -
Federal
CORONA Satellite Photographs from the U.S. Geological Survey
National Aeronautics and Space Administration —
The first generation of U.S. photo intelligence satellites collected more than 860,000 images of the Earth’s surface between 1960 and 1972. The classified military... -
Federal
China Dimensions Data Collection: China Maps Bibliographic Database
National Aeronautics and Space Administration —
The China Maps Bibliographic Database is an historical collection of bibliographic information for more than 400 maps of China. The information resides in a... -
Federal
GOES-R PLT Cloud Physics LiDAR (CPL) V1
National Aeronautics and Space Administration —
The GOES-R PLT Cloud Physics Lidar (CPL) dataset consists of backscatter coefficient, lidar depolarization ratio, layer top/base height, layer type, particulate... -
Federal
Alaska AVHRR Twice-Monthly Composites
National Aeronautics and Space Administration —
The goal of the Alaska Advanced Very High Resolution Radiometer (AVHRR) project is to compile a time series data set of calibrated, georegistered daily observations... -
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
NLCD 1992/2001 Retrofit Land Cover Change Product
National Aeronautics and Space Administration —
Developments in mapping methodology, new sources of input data, and changes in the mapping legend for the 2001 National Land Cover Database (NLCD2001) will confound...