Cover image for Big Snowy and Amsden Groups and the Mississippian-Pennsylvanian boundary in Montana
Title:
Big Snowy and Amsden Groups and the Mississippian-Pennsylvanian boundary in Montana
Author:
Maughan, Edwin K., 1926-1995.
Publication Information:
Washington : U.S. Govt. Print. Off., 1967.
Physical Description:
iii, 27 pages : illustrations, maps. ; 29 cm.
General Note:
Part of illustrative matter fold. in pocket.
Language:
English
Format :
Book