Big Snowy and Amsden Groups and the Mississippian-Pennsylvanian boundary in Montana /

Bibliographic Details
Main Authors:	Maughan, Edwin K., 1926-1995, Roberts, Albert Eugene, 1921- (Author)
Format:	Government Document Book
Language:	English
Published:	Washington : U.S. Govt. Print. Off, 1967.
Series:	Shorter contributions to general geology. Geological Survey professional paper ; 554-B.
Subjects:	Geology, Stratigraphic > Pennsylvanian. Geology, Stratigraphic > Mississippian. Geology > Montana.

by Maughan, Edwin K., 1926-1995, Roberts, Albert Eugene, 1921-
Published 1967

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