Stratigraphy of the Pierre Shale, Valley City and Pembina Mountain areas, North Dakota /

Bibliographic Details
Main Authors:	Gill, James R. (James Rogers), 1922-1972 (Author), Cobban, William A., 1916-2015 (Author)
Format:	Government Document eBook
Language:	English
Published:	Washington : United States Department of the Interior, Geological Survey, 1965.
Series:	Geological Survey professional paper ; 392-A.
Subjects:	Geology > North Dakota. Geology, Stratigraphic > Cretaceous. Pierre Shale. Shale > North Dakota. Cretaceous Geologic Period. Geology. Geology, Stratigraphic. Shale. North Dakota. From 65 to 140 million years ago
Online Access:	https://purl.fdlp.gov/GPO/gpo87242

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