USGS Geologic Map: Townsend and Duck Creek Pass Quadrangles, Montana
Description: Bouguer gravity, aeromagnetic, and generalized geologic map of Townsend and Duck Creek Pass quadrangles, Broadwater County, Montana
Publisher: U.S. Geological Survey
Print Date: 1964
Scale: 1:62,500
Format: Folded
Media: Contains 2-one-sided paper maps.
Includes 6-page text.