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Plate 1. Generalized Geologic Map of the Western Okanogan Highlands and Upper Columbia River Valley, Washington
Map of the Okanogan River Valley, Republic-Sanpail River Area and Upper Columbia River Valley with surrounding areas in Washington; stippling marks areas covered by the uranium study in the region. Scale 1:250,000.
Date:
1976~
Creator:
unknown
System:
The UNT Digital Library