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Federal
Physiographic divisions of the conterminous U. S. 16 recent views
Department of the Interior —
This is a polygon coverage of Physiographic Divisions in the conterminous United States. It was automated from Fenneman's 1:7,000,000-scale map, "Physical Divisions... -
Federal
Basin Characteristics Rasters for Pennsylvania StreamStats 2020
Department of the Interior —
In cooperation with the Federal Emergency Management Agency, the Pennsylvania Department of Transportation, the Pennsylvania Department of Environmental Protection,... -
Federal
Basin Characteristics Rasters for West Virginia StreamStats 2021
Department of the Interior —
The U.S. Geological Survey (USGS) has calculated over 25 different basin characteristics as part of preparing the West Virginia StreamStats 2021 application. These...