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1970 Map of Twin Sisters

Name: 1970 Topographic Map of Twin Sisters
Creator: U.S. Geological Survey
Published: 1973
License: https://creativecommons.org/publicdomain/mark/1.0/

USGS Topo · Published 1973

About this map

The Lewis And Clark National Forest anchors the southern portion of this Judith Basin survey, where the prominent Twin Sisters landmarks rise above the surrounding drainage networks. The landscape is defined by a complex system of seasonal waterways, including the headwaters of Antelope Creek, West Fork Antelope Creek, and East Antelope Creek. These creeks carve through the terrain, creating significant topographic features like Big Coulee and Dark Canyon.

Evidence of late 20th-century land use is visible through a network of Jeep Trails and the established Buffalo Canyon Trail. These paths provided access to the high country and the remote northern reaches of the national forest. The map also records a single Well and several mapped springs, indicating the vital importance of water sources for cattle or surveying activities in this high-plains environment during the late 1960s.