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1965 Map of Rock Island Ranch, 1968 Print
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1965 Map of Rock Island Ranch

USGS Topo · Published 1968

About this map

Rock Island Ranch and the nearby Knox Ranch anchor this 1960s study of the high-altitude drainage systems in Beaverhead County. The landscape is defined by the convergence of the Little Sage Creek and East Sage Creek valleys, forming the primary Sage Creek basin. The topographic detail highlights the intricate network of canyons, including Big Spring Gulch and Little Spring Gulch, which reveal the importance of perennial water sources in this high pasture country.

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Map Details

Date Portrayed1965
Date Published1968
PublisherU.S. Geological Survey
Map TypeTopographic
Scale1:24000
Physical Dimensions22 x 26.8 inches

Editions of this 1965 Rock Island Ranch Map

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

Historical Maps of Beaverhead County Through Time

678 maps found

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Source Details

SourceU.S. Geological Survey
CopyrightPublic Domain