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Geochemical survey of the James River Face Wilderness, Bedford and Rockbridge counties, Virginia Geochemical survey of the James River Face Wilderness, Bedford and Rockbridge counties, Virginia
The Wilderness Act (Public Law 88-577, September 3, 1964) and related acts require the U.S. Geological Survey and the U.S. Bureau of Mines to survey certain areas on Federal lands to determine their mineral resource potential. Results must be made available to the public and be submitted to the President and the Congress. This report presents the results of a geochemical survey of the...
Geochemical survey of the Ramseys Draft Addition, Augusta and Highland counties, Virginia Geochemical survey of the Ramseys Draft Addition, Augusta and Highland counties, Virginia
The U.S. Geological Survey (USGS) made a reconnaissance geochemical survey of the Ramseys Draft Addition (fig.1) to test for indistinct or unexposed mineral deposits that might be recognized by their geochemical halos. Thirty-three stream-sediment, two soil, and 22 rock samples were collected from the addition during the earlier study of Ramseys Draft Wilderness Study Area (Lesure and...
Geologic and structure map of the Choteau 1° x 2° quadrangle, western Montana: A digital database Geologic and structure map of the Choteau 1° x 2° quadrangle, western Montana: A digital database
The geologic and structure map of Choteau 1 x 2 degree quadrangle (Mudge and others, 1982) was originally converted to a digital format by Jeff Silkwood (U.S. Forest Service and completed by the U.S. Geological Survey staff and contractor at the Spokane Field Office (WA) in 2000 for input into a geographic information system (GIS). The resulting digital geologic map (GIS) database can be...