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1975 Map of Oroville NW

Name: 1975 Topographic Map of Oroville NW
Creator: U.S. Geological Survey
Published: 1977
License: https://creativecommons.org/publicdomain/mark/1.0/

USGS Topo · Published 1977

About this map

Oroville sits at the northern edge of the American frontier in this mid-1970s orthophotoquad, which captures the international boundary between Washington and British Columbia, Canada. The settlement is positioned just south of the expansive Osoyoos Lake, where the hydrology of the Okanogan Highlands is clearly visible. The landscape is dominated by the confluence of major waterways, including the winding Okanogan River as it snakes southward from the lake and the Similkameen River entering from the west.

Produced by the U.S. Geological Survey in cooperation with the Soil Conservation Service, this aerial perspective reveals the intricate agricultural patterns and valley floor developments characteristic of this border region. To the west, the water of Blue Lake is tucked among the higher elevations, providing a stark contrast to the developed corridors along the riverbanks. The map offers a precise look at the land use and natural drainage systems that supported the community during this era.