Stratigraphy and petrology of the Permian rocks of Southwestern Montana /

Bibliographic Details

Main Author:	Cressman, Earle R.
Corporate Author:	Geological Survey (U.S.)
Other Authors:	Swanson, Roger Warren, 1914-
Format:	Government Document Book
Language:	English
Published:	[Place of publication not identified] : [publisher not identified] ; 1964.
Series:	Geological Survey professional paper ; 313-C.