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1902 Map of Osoyoos

Name: 1902 Topographic Map of Osoyoos
Creator: U.S. Geological Survey
Published: 1902
License: https://creativecommons.org/publicdomain/mark/1.0/

USGS Topo · Published 1902

About this map

Osoyoos Lake and the Similkameen River dominate the western edge of this landscape, marking a vital water corridor just south of the United States Canada Boundary Line. The early 20th-century frontier economy is visible through extractive sites like the Okanogan Free Gold Mine near Oroville and the Polano China Mine in the northern hills. These operations, alongside small mining settlements like Bolster and Chesaw, illustrate the region's transition from a prospecting wilderness into a more established network of valleys and summits.

Much of the eastern terrain falls within the Colville National Forest, where steep peaks like Mt Bonaparte and Mt Annie rise above remote outposts such as Crisp Ranch and the community of Molson. The map traces a complex system of drainage and grazing lands, from the Eden Valley to the Chewiliken Valley, linked by early trails and wagon roads that connected dispersed ranches and pioneer homesteads across Okanogan County.