Geologic map of the Lance Creek 30' x 60' quadrangle, Niobrara and Converse counties, Wyoming, Fall River and Custer counties, South Dakota, and Sioux County, Nebraska
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posted on 01.01.2008, 00:00 by J.F. Johnson, D.C. MicaleGeologic map of the Lance Creek 30' x 60' quadrangle, Niobrara and Converse counties, Wyoming, Fall River and Custer counties, South Dakota, and Sioux County, Nebraska
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