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1933 Map of La Verne and Evey Canyon
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1933 Map of La Verne and Evey Canyon

USGS Topo · Published 1933

About this map

San Gabriel Mountains dominate this 1933 advance sheet, revealing a landscape of steep canyons and forest management before major mid-century developments. Within the Angeles National Forest, the map identifies early conservation and infrastructure efforts like the Flintham Memorial Forest Plantation and the San Dimas Lookout. The presence of the San Dimas Dam highlights the era's focus on water management and flood control for the growing communities in the valley below. Local landmarks such as Wolfskill Camp and the dramatic Wolfskill Falls suggest a period when these canyons were primarily accessed for recreation and forest service work. High-altitude clearings like Browns Flat and Sycamore Flat provide unique topographical markers amidst the intricate drainage systems of San Dimas Canyon and Evey Canyon.

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Map Details

Date Portrayed1933
Date Published1933
PublisherU.S. Geological Survey
Map TypeTopographic
Scale1:24000
Physical Dimensions22.6 x 21.8 inches

Editions of this 1933 La Verne and Evey Canyon 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