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1987 Map of Eighteenmile Peak
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1987 Map of Eighteenmile Peak

USGS Topo · Published 1987

About this map

The Continental Divide serves as the high-altitude spine of this landscape, marking the boundary between the Beaverhead National Forest in Montana and the Targhee National Forest in Idaho. At the heart of this survey is Eighteenmile Peak, a prominent landmark surrounded by a network of drainage systems including Rock Creek, Nicholia Creek, and Cottonwood Creek. The high-country terrain is punctuated by deep depressions like Milo Canyon and Eidelman Canyon. Evidence of early resource exploration is documented through several marked Prospects and a specific Prospect located near the headwaters of Smelter Gulch and Cedar Gulch. Small alpine water bodies, specifically the Harkness Lakes, sit high above the valleys, illustrating the complex hydrology of this mountainous border region during the late twentieth century.

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Map Details

Date Portrayed1987
Date Published1987
PublisherU.S. Geological Survey
Map TypeTopographic
Scale1:24000
Physical Dimensions21.9 x 26.8 inches

Editions of this 1987 Eighteenmile Peak Map

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Source Details

SourceU.S. Geological Survey
CopyrightPublic Domain