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Stratigraphic significance and petrology of phosphate nodules at base of Niobrara Formation, east flank of Black Hills, South Dakota

January 1, 1968

No abstract available.

Publication Year 1968
Title Stratigraphic significance and petrology of phosphate nodules at base of Niobrara Formation, east flank of Black Hills, South Dakota
DOI 10.3133/pp594L
Authors H. A. Tourtelot, W. A. Cobban
Publication Type Report
Publication Subtype USGS Numbered Series
Series Title Professional Paper
Series Number 594
Index ID pp594L
Record Source USGS Publications Warehouse