Geologic map of the Black Butte Mountain quadrangle, Meagher County, Montana /

Bibliographic Details
Main Author: McGrew, Laura W. (Laura Wenger), 1921-
Corporate Author: Geological Survey (U.S.)
Format: Government Document Map
Language:English
Published: Reston, Va. : U.S. Geological Survey, 1977.
Series:Geologic quadrangle map ; GQ-1381.
Subjects:
Description
Item Description:Contour interval 20 feet.
Includes index map, col. cross sections, and bibliography.
Cartographic material.
Physical Description:1 map : color ; 58 x 41 cm., on sheet 89 x 82 cm., folded in envelope 30 x 24 cm.