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1950 Map of Harrison

Name: 1950 Topographic Map of Harrison
Creator: U.S. Geological Survey
Published: 1954
License: https://creativecommons.org/publicdomain/mark/1.0/

USGS Topo · Published 1954

About this map

The Tobacco Root Mountains dominate this 1950 survey, revealing a landscape defined by its mining heritage and high-elevation hydrology. In the northeastern flats, the Northern Pacific railroad services Harrison, passing the Harrison Mill and Harrison Cem. To the west and south, the terrain rises sharply toward Potosi Peak and Branham Peaks, where a network of gulches and ridges is dotted with hard-rock and placer claims.

The mining activity is particularly concentrated around Pony, where labels like the Boss Tweed Mine, Strawberry Mine, and the now Sterling (Aban'd) townsite mark the era's industrial footprint. Beyond extraction, the map captures early twentieth-century scientific and recreational use of the land, featuring the Indiana University Geology Field Sta and Potosi Hot Springs. Numerous high-altitude lakes, including Hollow Top Lake and Albro Lake, feed the complex drainage system of Willow Creek.