United States Geological Survey
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The United States Geological Survey (USGS) is a scientific agency of the United States Federal Government that produces a great deal of data that is of interest to OpenStreetMap contributors. Most products available from the USGS are in the public domain.
Products
- USGS Geographic Names Information System - database of geographic names
- USGS High Resolution Orthoimagery
- National Hydrography Dataset (NHD)
- 3D Elevation Program (3DEP) - high resolution (1m) digital elevation model which shows terrain, including waterways, wetlands, and man-made features such as roads and railroads.
- 3D Hydrography Program (3DHP) - the successor to the now retired NHD.
External links
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Wikipedia has an article on: United States Geological Survey |