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 

Map: GP-439

Print Date: 1964

Scale: 1:62,500

Format: Folded

Media: Contains 2-one-sided paper maps.

Includes 6-page text.