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1942 Map of Mt. Gleason
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1942 Map of Mt. Gleason

USGS Topo · Published 1942

About this map

Mt Gleason towers over this section of the San Gabriel Mountains, part of a complex landscape surveyed in the mid-1930s. The terrain is defined by dramatic elevation changes and a dense network of watercourses, including Fox Creek and Mill Creek, which feed into the Big Tujunga Canyon. The presence of the Big Tujunga Reservoir and the winding Angeles Crest Hwy. reflects the infrastructure development within the Angeles National Forest during this era. Small interior settlements and landmarks such as Messenger Flats and Colby Ranch provide specific points of interest for local historians, while the various named springs like Aliso Spring indicate the critical importance of water sources in this steep environment. A prominent Transmission Line and numerous firebreaks cut across the ridges, illustrating the early management and utility of this mountain region.

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Map Details

Date Portrayed1942
Date Published1942
PublisherU.S. Geological Survey
Map TypeTopographic
Scale1:24000
Physical Dimensions17.2 x 20.3 inches

Editions of this 1942 Mt. Gleason Map

Historical Maps of Singing Springs Through Time

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Source Details

SourceU.S. Geological Survey
CopyrightPublic Domain