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1959 Map of Chilao Flat, 1970 Print
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1959 Map of Chilao Flat

USGS Topo · Published 1970

About this map

Monte Cristo Mine and several other gold and prospect sites punctuate the high-elevation terrain of the Angeles National Forest in this 1959 survey. The map records a landscape of isolated mountain holdings, such as Loomis Ranch and Newcomb Ranch, alongside mid-century recreation infrastructure including Chilao Campground and Horse Flats Campground. The Angeles Crest Highway winds through the topography, connecting remote service hubs like the State Highway Maintenance Sta and Red Box Station. Natural water systems, including the Upper Big Tujunga Canyon and its many feeder gulches like Wildcat Gulch, dominate the drainage patterns. A small Military Reservation at Barley Flats and a secluded Cem near the Loomis homestead provide specific points of interest for local historians and genealogists researching the high San Gabriels.

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Map Details

Date Portrayed1959
Date Published1970
PublisherU.S. Geological Survey
Map TypeTopographic
Scale1:24000
Physical Dimensions22 x 26.8 inches

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Source Details

SourceU.S. Geological Survey
CopyrightPublic Domain