USGS Geologic Map: Bannack-Grayling Area, Beaverhead County, Montana

Description: Geologic map of the Bannack-Grayling area, Beaverhead County, Montana

Publisher: U.S. Geological Survey 

Series: I-433

Print Date: 1965

Scale: 1:31,680

Format: Folded

Media: One-sided paper map with color graphics.

Includes 6-page text.