The boundary between Okanogan Co Ferry Co bisects this high-elevation landscape of the Colville Indian Reservation. The drainage of the Little Nespelem River and its numerous tributaries, including Cache Cr and McAllister Cr, defines the hydrography of this interior Washington terrain. A complex network of Bureau of Indian Affairs routes, such as BIA Rd 1040 and BIA Rd 1037, provides access to the high ridges and deep drainages characteristic of this region. The infrastructure reflects a managed landscape focused on resource access and reservation geography, with roads like Keller Butte Rd and Central Peak RD climbing toward the area's summits. Several seasonal and perennial watercourses, including Cuppose Cr and Empire Cr, flow through the high-relief topography.
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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
1952 · Keller
USGS Topo · 1:62,500
1953 · Seventeenmile Mtn.
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
1984 · Nespelem
USGS Topo · 1:100,000
1986 · Central Peak
USGS Topo · 1:24,000
1989 · Keller
USGS Topo · 1:24,000
1989 · Stepstone Creek
USGS Topo · 1:24,000