Geologic map of the Newcastle 30' x 60' quadrangle, Weston and Niobrara counties, Wyoming, and Pennington and Custer counties, South Dakota
McLaughlin, J.F. Ver Ploeg, A.J.
McLaughlin, J.F.
Ver Ploeg, A.J.
Abstract
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Geologic map of the Newcastle 30' x 60' quadrangle, Weston and Niobrara counties, Wyoming, and Pennington and Custer counties, South Dakota
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University of Wyoming. Libraries