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1964 Map of Devil Mountain

Name: 1964 Topographic Map of Devil Mountain
Creator: U.S. Geological Survey
Published: 1967
License: https://creativecommons.org/publicdomain/mark/1.0/

USGS Topo · Published 1967

About this map

The Piedra River and its First Fork Piedra River anchor this mid-century survey of the San Juan National Forest. The landscape is defined by the high elevations of Devil Mountain and Horse Mountain, where the Devil Mountain Lookout Tower stands as a primary fire-watch landmark. Settlement is sparse, represented by the isolated Tres Piedras Ranch near Cooper Canyon and several primitive camping sites like the Piedra Hunter Campground.

The map reveals a network of high-country resources, including Mesa Spring No 1 and Horse Mountain Springs, which likely served both forestry efforts and early recreation. Industrial activity is minimal, noted only by scattered Prospects on the slopes below Monument Park. The intricate system of a Pack Trail, Jeep Trail, and the winding Piedra Road shows the gradual transition of this area from wilderness to managed forest land by the 1960s.