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Protected Areas Database of the United States (PAD-US) NGDA
This is series-level metadata for the USGS Protected Areas Database of the United States (PAD-US) data released by the United States Geological Survey (USGS). PAD-US is the... -
Terrestrial Ecosystems - Land Surface Forms of the Conterminous United States
The U.S. Geological Survey (USGS) has generated land surface form classes for the contiguous United States. These land surface form classes were created as part of an effort to...