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1953 Map of Cucamonga Peak

Name: 1953 Topographic Map of Cucamonga Peak
Creator: U.S. Geological Survey
Published: 1961
License: https://creativecommons.org/publicdomain/mark/1.0/

USGS Topo · Published 1961

About this map

The San Gabriel Mountains tower over the northern half of this 1953 survey, a landscape defined by the sharp transition from the steep peaks of the Angeles National Forest to the structured agricultural and rail corridors of the valley below. High-altitude landmarks like Cucamonga Peak, Bighorn Peak, and Ontario Pk overlook a complex network of drainage systems, including the Deer Canyon and Day Canyon Wash, which channel water toward the developing settlements.

In the southern lowlands, the footprint of the region's citrus and transport economy is visible through the grid of Alta Loma, Grapeland, and Etiwanda. The area is bisected by the Atchison Topeka and Santa Fe and the Pacific Electric lines, illustrating the vital rail infrastructure that connected these foothills to the broader Southern California market. Finer details, such as the Joe Elliot Tree Memorial and the Day Canyon Guard Sta, offer specific points of interest for local historians.