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1968 Map of Nevada Mountain, 1971 Print
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1968 Map of Nevada Mountain

USGS Topo · Published 1971

About this map

The Continental Divide serpentines across this high-altitude landscape of the Helena National Forest, serving as the natural boundary between the Powell and Lewis and Clark counties. Dominating the topography is Nevada Mountain, a prominent peak that anchors a complex network of drainage systems. The map captures an era of resource extraction and transit through difficult terrain, evidenced by several mining operations including the Cyclone Mine near the headwaters of Poorman Creek. Connectivity across these ridges is maintained by a series of primitive routes, most notably the Helmville Trail and various jeep trails that follow the contours of the gulches. Waterways like Nevada Creek and Shingle Mill Creek carve deep into the landscape, reflecting the rugged hydrology of the northern Rockies in the late 1960s.

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Map Details

Date Portrayed1968
Date Published1971
PublisherU.S. Geological Survey
Map TypeTopographic
Scale1:24000
Physical Dimensions22 x 26.8 inches

Editions of this 1968 Nevada Mountain Map

Historical Maps of Lewis and Clark County Through Time

176 maps found

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Source Details

SourceU.S. Geological Survey
CopyrightPublic Domain