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Geology of the northern Black Hills bentonite mining district

January 1, 1955

No abstract available.

Publication Year 1955
Title Geology of the northern Black Hills bentonite mining district
DOI 10.3133/ofr55131
Authors Sam H. Patterson
Publication Type Report
Publication Subtype USGS Numbered Series
Series Title Open-File Report
Series Number 55-131
Index ID ofr55131
Record Source USGS Publications Warehouse