Stratigraphy of the Pierre Shale, Valley City and Pembina Mountain areas, North Dakota
By: by James R. Gill and William A. Cobban.
Contributors: Cobban, William Aubrey, 1916-; Geological Survey (U.S.)
Series: U.S. Geological Survey professional paper -- 392-A; Studies of the Pierre Shale in the northern Great Plains
Publisher: U.S. Government Printing Office
Published: 1965
Place of publication: Washington, DC
Language: eng
Number of pages: 20
Subjects: Geology, Stratigraphic -- Cretaceous.; Geology -- North Dakota.; Shale -- North Dakota.
Notes: Bibliogr.

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