Colville Indian Reservation lands dominate this high-elevation landscape in eastern Washington, where the terrain is defined by a dense network of mountain drainages. The namesake Cody Lake sits in the northwest quadrant, surrounded by several prominent creeks including Twentymile Cr and Thirtymile Cr. This 2014 survey reveals a transition from remote waterway systems to modernized infrastructure within the reservation boundaries. A complex system of Bureau of Indian Affairs routes, such as Bia 99 RD and Bia 73 RD, provides access across the ridgelines, while the Twin Lakes Summit Trl and Keno Trail Rd offer insight into historical and recreational movement through the forest. The presence of Bridge Cr and Lynx Cr underscores the area's role as a vital watershed for the region.
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This is the sole edition of this map. No revisions or reprints were ever made.
1948 · Wilmont Creek
USGS Topo · 1:62,500
1950 · Wilmont Creek
USGS Topo · 1:62,500
1952 · Keller
USGS Topo · 1:62,500
1952 · Twin Lakes
USGS Topo · 1:62,500
1953 · Seventeenmile Mtn.
USGS Topo · 1:62,500
1954 · Okanogan
USGS Topo · 1:250,000
1956 · Wilmont Creek
USGS Topo · 1:62,500
1958 · Okanogan
USGS Topo · 1:250,000
1984 · Nespelem
USGS Topo · 1:100,000
1985 · Sitdown Mtn
USGS Topo · 1:24,000