Geology and Pegmatites of Part of the Fourmile Area, Custer County, South Dakota
Description:
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.
Item Type:
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Report