Colville Indian Reservation lands dominate this high-elevation region of Okanogan County, centered on the prominent summit of Moses Mtn. The landscape is defined by a dense network of high-country drainages including Omak Cr, Mill Cr, and Whitelaw Cr, which carve through the terrain south of Armstrong Mtn. This survey captures the specialized road network of the Bureau of Indian Affairs, featuring routes like BIA 1055 Rd and BIA 1132 Rd that provide access to these protected lands. The drainage patterns of Trail Cr and N Star Cr suggest a complex topography of ridges and valleys typical of the interior Northwest, where water sources dictated the placement of early travel corridors and land management boundaries.
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This is the sole edition of this map. No revisions or reprints were ever made.
1950 · Nespelem
USGS Topo · 1:62,500
1950 · Alameda Flat
USGS Topo · 1:62,500
1952 · Alameda Flat
USGS Topo · 1:62,500
1952 · Disautel
USGS Topo · 1:62,500
1953 · Bald Knob
USGS Topo · 1:62,500
1954 · Okanogan
USGS Topo · 1:250,000
1958 · Okanogan
USGS Topo · 1:250,000
1983 · Omak
USGS Topo · 1:100,000
1984 · Nespelem
USGS Topo · 1:100,000
1989 · Disautel
USGS Topo · 1:24,000