USGS Geologic Map: Bannack-Grayling Area, Beaverhead County, MontanaDescription: Geologic map of the Bannack-Grayling area, Beaverhead County, Montana
Publisher: U.S. Geological Survey
Print Date: 1965
Scale: 1:31,680
Format: Folded
Media: One-sided paper map with color graphics.
Includes 6-page text.