Preliminary geologic map of the Roberts Mountain quadrangle, Lewis and Clark County, Montana /

Bibliographic Details
Main Author:	Schmidt, Robert George
Corporate Author:	Geological Survey (U.S.)
Other Authors:	Strong, Ceylon P.
Format:	Government Document Map
Language:	English
Published:	Washington, D.C. : U.S. Geological Survey, 1968.
Series:	Miscellaneous geologic investigations ; map I-564.
Subjects:	Geology > Montana > Lewis and Clark County > Maps.

Description
Item Description:	Relief shown by contour lines and spot heights. "Geology mapped in 1965-66." Cartographic material.
Physical Description:	1 map ; 58 x 40 cm., on sheet 86 x 109 cm., folded in envelope 30 x 24 cm.
Bibliography:	Includes cross section, location map, and bibliography.