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1901 Map of Hamilton

Name: 1901 Topographic Map of Hamilton
Creator: U.S. Geological Survey
Published: 1949
License: https://creativecommons.org/publicdomain/mark/1.0/

USGS Topo · Published 1949

About this map

Hamilton serves as the focal point of this late 19th-century landscape, positioned along the Northern Pacific R. R. (Bitterroot Branch). The Bitterroot Valley is defined by a sophisticated network of irrigation systems such as the Republican Ditch, Hedge Ditch, and the curiously named New Old Ditch, which support the agricultural settlements of Victor, Corvallis, and Darby. To the west, the Bitterroot Range rises sharply, marked by high-altitude features like Canyon Peak and Como Lake.

Resource extraction and recreation are evident through the presence of the Curlew Mines, Bluebird Mine, and Sleeping Child Hot Springs. The geography is divided between the Lolo National Forest and Bitterroot National Forest, illustrating a region transitioning from raw wilderness to a managed industrial and agricultural hub. This survey, conducted by E.C.Barnard and A.B.Searle, provides a clear view of the early infrastructure that shaped Ravalli County.