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1963 Map of Casto

Name: 1963 Topographic Map of Casto
Creator: U.S. Geological Survey
Published: 1982
License: https://creativecommons.org/publicdomain/mark/1.0/

USGS Topo · Published 1982

About this map

Challis National Forest dominates this mid-century topographic survey, revealing a landscape defined by its network of high-elevation drainages and isolated outposts. The small settlement at Casto serves as a central point in this remote part of Custer County, situated near the confluence of Loon Creek and Canyon Creek. Further south along the water, Boyle Ranch and the Boyle Landing Strip indicate the necessity of air travel and private holdings in this difficult terrain.

A Loon Creek Guard Sta and a lone Prospect near Mayfield Creek represent the dual presence of federal oversight and individual resource extraction. The map details a primitive transportation network, where a single Trail and several unimproved roads connect remote recreational sites like Transfer Campground and Tincup Campground. These features, alongside family-named landmarks like Nelson Creek and Phillips Creek, provide a detailed record of land use and occupancy before modern developments changed the character of the backcountry.