Bentonite in southwestern South Dakota
By: by R.C. Spivey
Series: South Dakota. State geological survey. Report of investigations -- no. 36; Report of investigations (South Dakota Geological Survey) -- no. 36.
Publisher: University of South Dakota
Published: 1940
Place of publication: Vermillion, S. Dak
Language: eng
Number of pages: 56
Subjects: Bentonite; Mines and mineral resources
Notes: Includes bibliographical references.