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1952 Map of Duncan Peak, 1982 Print
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1952 Map of Duncan Peak

USGS Topo · Published 1982

About this map

The Tahoe National Forest landscape depicted here is dominated by the steep drainage of the North Fork American River, showcasing a high-elevation terrain shaped by early gold-seeking ventures and later timber and recreation management. Mining history is deeply etched into the geography, evidenced by numerous subterranean workings such as the Golden Fleece Tunnel, Union Tunnel, and the Macedon Mine. These operations were often connected by complex water systems like the Iowa Hill Ditch (Aband), reflecting the industrial effort required to extract minerals from the deep canyons. High points such as Duncan Peak and Big Valley Bluff feature established lookouts, providing strategic vantage points over the surrounding ridges and the North Fork Middle Fork American R. A network of historic footpaths, including the Mumford Bar Trail and Beacroft Trail, links the riverbanks to the high ridges of Mosquito Ridge and Sawtooth Ridge.

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Map Details

Date Portrayed1952
Date Published1982
PublisherU.S. Geological Survey
Map TypeTopographic
Scale1:24,000
Physical Dimensions22 x 26.8 inches

Editions of this 1952 Duncan Peak Map

Historical Maps of Placer County Through Time

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Source Details

SourceU.S. Geological Survey
CopyrightPublic Domain