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1967 Map of Mt. Baldy, 1983 Print
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1967 Map of Mt. Baldy

USGS Topo · Published 1983

About this map

Angeles National Forest and the Cucamonga Wilderness dominate the northern landscape of this survey, where the peaks of the San Gabriel Mountains meet the developing edge of the Inland Empire. The settlement of Mt Baldy sits deep within San Antonio Canyon, while the communities of Upland and Claremont expand northward to the base of the range. Hydrological management is central to this era, evidenced by the San Antonio Reservoir behind the San Antonio Dam and a series of debris basins and dams like the Thompson Creek Dam. Higher elevations reveal a network of fire breaks and trails, including the Glendora Ridge Road and Sunset Trail, which weave through terrain marked by landmarks like Sunset Peak and Stoddard Peak. Educational growth is visible in the suburban transition, with Valencia Sch and Pioneer Jr High Sch serving the local residential blocks.

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Map Details

Date Portrayed1967
Date Published1983
PublisherU.S. Geological Survey
Map TypeTopographic
Scale1:24000
Physical Dimensions21.94 x 26.86 inches

Editions of this 1967 Mt. Baldy Map

Historical Maps of Rancho Cucamonga Through Time

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Source Details

SourceU.S. Geological Survey
CopyrightPublic Domain