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1941 Map of Alder Creek
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1941 Map of Alder Creek

USGS Topo · Published 1941

About this map

The Angeles National Forest dominates this 1935 survey, a terrain defined by the high elevations of the San Gabriel Mountains. In the decades before modern development encroached upon these slopes, the region supported specialized activities ranging from ranching at the Loomis Ranch to resource extraction at the Monte Cristo Mine and Falcon Mine. The landscape is a network of deep drainages such as Big Tujunga Canyon and Santiago Canyon, which necessitated the construction of early infrastructure like the Angeles Crest Highway and several Firebreak lines to protect the timber and water resources.

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Map Details

Date Portrayed1941
Date Published1941
PublisherU.S. Geological Survey
Map TypeTopographic
Scale1:24,000
Physical Dimensions17.1 x 20.3 inches

Editions of this 1941 Alder Creek Map

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Source Details

SourceU.S. Geological Survey
CopyrightPublic Domain