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1940 Map of Mt. Emma, 1948 Print
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1940 Map of Mt. Emma

USGS Topo · Published 1948

About this map

The San Gabriel Mountains dominate this 1940s landscape, a rugged terrain shaped by the water management needs of the growing high desert. The north-flowing Little Rock Creek is captured by the Little Rock Palmdale Dam, which diverts water into the Palmdale-Little Rock Ditch along the northern slopes. This infrastructure highlights the era's critical engineering required to sustain settlements just beyond the mountains' edge.

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Map Details

Date Portrayed1940
Date Published1948
PublisherU.S. Geological Survey
Map TypeTopographic
Scale1:24000
Physical Dimensions16.9 x 20.8 inches

Editions of this 1940 Mt. Emma Map

Historical Maps of Los Angeles County Through Time

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Source Details

SourceU.S. Geological Survey
CopyrightPublic Domain