The Sanpoil River valley dominates this portion of Ferry County, serving as the central corridor for both water and transport in this upland terrain. Flowing south through the center of the sheet, the river is fed by a network of drainage systems including McAllister Cr, Louie Cr, and Fortymile Cr. The map details a landscape managed by various agencies, evidenced by the numerous Bureau of Indian Affairs and County routes that follow the winding creek beds. Roads such as E San Poil Rd and CO Hwy 2 trace the natural topography, providing access to more remote areas like Empire Cr and Capoose Cr. The intricate contouring illustrates the steep ridges and deep valleys characteristic of this region, where elevation changes rapidly between the riverbank and the surrounding peaks.
29 named features on this map. Tap any name to fly to it.
Don’t see what you’re looking for? This feature index may not catch every label — zoom into the map to look around manually.
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 · Nespelem NE
USGS Topo · 1:24,000