Laboratory Study of High-Grade Uranium-Bearing Lignite From Harding County, South Dakota (open access)

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

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.
System: The UNT Digital Library
Geology and Pegmatites of Part of the Fourmile Area, Custer County, South Dakota (open access)

Geology and Pegmatites of Part of the Fourmile Area, Custer County, South Dakota

Report discussing the descriptive geology of three new formations of metamorphic rocks and details of about 420 pegmatites in the Fourmile area of Custer County, South Dakota.
Date: March 1952
Creator: Lang, A. J., Jr. & Redden, J. A.
System: The UNT Digital Library