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1936 Map of Redrock Mtn.

Name: 1936 Topographic Map of Redrock Mtn.
Creator: U.S. Geological Survey
Published: 1936
License: https://creativecommons.org/publicdomain/mark/1.0/

USGS Topo · Published 1936

About this map

Angeles National Forest dominates this mid-1930s landscape, where isolated homesteads and infrastructure reveal the challenges of mountain living before suburban expansion. The Ridge Route winds through the southwestern corner, serving as a critical artery while Pipe Line and Telephone Line corridors track through the steep canyons. Settlement is sparse, represented by family-named landmarks like Kelly Ranch, Naylor Place, and the Shelter House. Mining activity is anchored by the Gillette Mine positioned near Pine Canyon.

The terrain is defined by the massive shoulders of Liebre Mountain and Redrock Mtn, with seasonal water sources such as Rattlesnake Spring and the high Ampre Meadows providing rare relief in the dry heights. A network of Firebreak lines illustrates early 20th-century forest management strategies, protecting the camps and the National Forest Inn from the perpetual threat of wildfire in these steep, brush-covered drainages.