
Okanogan River waters carve a deep path through north-central Washington, defining the Colville Indian Reservation Boundary as it flows past the small settlement of Monse. This 1980 survey captures a landscape of transition where the Burlington Northern railroad follows the riverbank, connecting isolated points like Wakefield to the broader region. The terrain is marked by the stark contrast between the elevated Soap Lake Mountain and the expansive, level Brewster Flat, which by this era had become home to the Brewster Flat Earth Station. Local history is preserved at the Fort Okanogan Memorial Cem, while the interior remains sparsely developed, characterized by Soap Lake, numerous small springs, and the winding Ophir Grade. Numerous gravel and borrow pits near the river suggest an economy tied to the land and the maintenance of the vital transportation corridor.
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This is the sole edition of this map. No revisions or reprints were ever made.
1905 · Okanogan
USGS Topo · 1:125,000
1954 · Okanogan
USGS Topo · 1:250,000
1956 · Loup Loup
USGS Topo · 1:62,500
1957 · Okanogan
USGS Topo · 1:62,500
1957 · Bridgeport
USGS Topo · 1:62,500
1957 · Brewster
USGS Topo · 1:62,500
1958 · Okanogan
USGS Topo · 1:250,000
1980 · Okanogan
USGS Topo · 1:24,000
1980 · Bridgeport Point
USGS Topo · 1:24,000
1980 · Bridgeport
USGS Topo · 1:24,000