The spearfish formation in the Williston Basin of western North Dakota /

Bibliographic Details
Main Author:	Dow, Wallace G.
Format:	Book
Language:	English
Published:	Grand Forks, N.D., [publisher not identified] ; 1967.
Series:	Bulletin (North Dakota Geological Survey) ; 52.
Subjects:	Geology > North Dakota. Geology > Williston Basin. Geology, Stratigraphic > Permian. Geology, Stratigraphic > Triassic.

Description
Item Description:	Part of the illustrative matter fold. in pocket.
Physical Description:	ii, 28 pages : illustrations, maps. ; 23 cm.
Bibliography:	Bibliography: pages 27-28.