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1966 Map of Cucamonga Peak, 1980 Print
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1966 Map of Cucamonga Peak

USGS Topo · Published 1980

About this map

Cucamonga Peak towers over the alluvial fans of the San Gabriel and San Bernardino Mountains, marking a sharp transition between the Cucamonga Wilderness and the burgeoning suburban development of the San Bernardino Valley. In the valley below, the citrus-aligned street grids of Alta Loma and Etiwanda are well-defined, showing the residential expansion nearing Chaffey Union Jr College. The landscape is dominated by complex drainage systems such as Day Canyon Wash and Deer Creek, which necessitate the large Flood Control Basin visible near the southern boundary. High-altitude landmarks like the Joe Elliot Tree Memorial and Kelly Camp sit along the Ontario Peak Trail, while the lower slopes trace the path of the Southern Pacific and an Old Railroad Grade, revealing the historical transportation routes that shaped this portion of the Inland Empire.

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Map Details

Date Portrayed1966
Date Published1980
PublisherU.S. Geological Survey
Map TypeTopographic
Scale1:24000
Physical Dimensions22 x 26.9 inches

Editions of this 1966 Cucamonga Peak Map

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Source Details

SourceU.S. Geological Survey
CopyrightPublic Domain