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1972 Map of Swanholm Peak, 1976 Print
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1972 Map of Swanholm Peak

USGS Topo · Published 1976

About this map

Graham (Site) and the nearby Graham Mill (Site) occupy a remote clearing along the North Fork Boise River, illustrating the high-elevation mining and milling operations once active in this portion of the Boise National Forest. The landscape is dominated by steep summits such as Swanholm Peak and Graham Peak, with an intricate drainage network including Silver Creek and Johnson Creek. By the early 1970s, the area had transitioned toward remote forest management and recreation, evidenced by the Graham Guard Sta, the Graham Landing Strip, and multiple campgrounds. A network of Pack Trails and Jeep Trails provides the only access through the rugged terrain, crossing the Boise and Elmore County line. Isolated mining Prospects remain scattered across the slopes, marking the legacy of mineral exploration near Silver Mountain.

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Map Details

Date Portrayed1972
Date Published1976
PublisherU.S. Geological Survey
Map TypeTopographic
Scale1:24000
Physical Dimensions22 x 26.9 inches

Editions of this 1972 Swanholm Peak 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