Map showing geology, structure, and geophysics of the central Black Hills, South Dakota

Online link http://pubs.usgs.gov/sim/2777
Description This 1:100,000-scale digital geologic map details the complex early Proterozoic granitic rocks, early Proterozoic supracrustal metamorphic rocks, and Archean crystalline basement of the Black Hills.
Originators Redden, Jack A. and DeWitt, Ed H.
Publication U.S. Geological Survey Scientific Investigations Map 2777

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