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Laboratory Study of High-Grade Uranium-Bearing Lignite From Harding County, South Dakota

Description: Report discussing a study of uraniferous lignite collected from three coal beds from Harding County, South Dakota. The report contains information regarding the location and geologic setting of the coal, the materials studies, coal petrologic studies, and a discussion of results.
Date: March 1956
Creator: Schopf, James M. & Gray, Ralph J.
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Tectonic Map of Western South Dakota Showing the Distribution of Uranium Deposits

Description: From introduction: A tectonic map of most of the Cordilleran Foreland (fig. 2) is being compiled as an aid to study the geologic setting of uranium deposits within the region, and to determine what relationships may exist between the distribution of uranium deposits and the regional tectonic pattern (Osterwald, 1955). The map will show the distribution of faults, uranium deposits, areas of volcanic activity, and crestlines and troughs of folds.
Date: April 1956
Creator: Osterwald, Frank W. & Dean, Basil G.
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