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1950 Map of Harrison

Name: 1950 Topographic Map of Harrison
Creator: U.S. Geological Survey
Published: 1984
License: https://creativecommons.org/publicdomain/mark/1.0/

USGS Topo · Published 1984

About this map

Harrison stands as a rail-connected hub in the northeastern corner of this 1950s survey, where the Northern Pacific line tracks past the Harrison Mill and Harrison Cem. The landscape to the west rises sharply into the Beaverhead Mountains and the Deerlodge National Forest, revealing a dense history of extraction and mountain habitation. Small settlements like Pony and Sterling are flanked by numerous mining claims, including the Boss Tweed Mine, Atlantic and Pacific Mine, and the Revenue Mine to the south.

Educational and administrative presence is evident at the Indiana University Geology Field Sta and the Potosi Ranger Station. The drainage network is complex, defined by the Boulder River and Willow Creek, which are fed by high-elevation water bodies such as Hollow Top Lake and Branham Lakes. This period captures the region as a working landscape of timber, mineral wealth, and high-altitude research, centered around the Potosi Hot Springs.