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1982 Map of Cochran Reservoir
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1982 Map of Cochran Reservoir

USGS Topo · Published 1982

About this map

Cochran Reservoir sits at the heart of this high plains landscape, where the drainage systems of the North Fork Willow Creek, Middle Fork Willow Creek, and South Fork Willow Creek converge. The topography is defined by significant draws and ridges, most notably Zimmerman Draw and Torgerson Draw, which illustrate the erosion patterns characteristic of the Montana and Wyoming borderlands. The map traces the boundary between Carter County and Crook County, as well as the Montana and Wyoming state line, marking a sparsely settled ranching or resource area. Infrastructure is limited to essential corridors like the Pipeline and the prominent Ridge Road, which follows the high ground above Thompson Creek and Nelson Washout. This survey provides a precise look at the water management and transport routes across this remote interstate frontier in the early 1980s.

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Map Details

Date Portrayed1982
Date Published1982
PublisherU.S. Geological Survey
Map TypeTopographic
Scale1:24,000
Physical Dimensions22 x 26.9 inches

Editions of this 1982 Cochran Reservoir Map

This is the sole edition of this map. No revisions or reprints were ever made.

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Source Details

SourceU.S. Geological Survey
CopyrightPublic Domain