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1955 Map of Mount San Antonio

Name: 1955 Topographic Map of Mount San Antonio
Creator: U.S. Geological Survey
Published: 1958
License: https://creativecommons.org/publicdomain/mark/1.0/

USGS Topo · Published 1958

About this map

The high peaks of the San Gabriel Mountains dominate this mid-century survey, centered on the formidable mass of Mount San Antonio, also identified as Old Baldy. The landscape is a network of steep ridges and deep canyons where early twentieth-century mining operations left their mark. Notable workings such as the Big Horn Mine near Vincent Gulch and the Stanley Miller Mine along the Iron Fork reflect the region's extraction history.

Settlement is concentrated at the northern edge in Wrightwood, where the Holiday Hill Ski Lift and Wright Lake indicate the area's transition into a recreational hub. Deep within the Angeles National Forest, a series of remote outposts like Fish Fork Camp and Cabin Flat are connected by rugged trails. The presence of the Prairie Fork Guard Sta and private holdings like Widman Ranch illustrate the era's balance between federal forest management and small-scale mountain residency.