
Colville National Forest dominates this landscape in the late 1980s, revealing a complex drainage system within the Kettle River Range. The northern reaches are defined by the various forks of O'Brien Creek, including its North Fork, Middle Fork, and South Fork branches. Evidence of the region's mineral history is found at the California Mine located near the base of these drainages. High peaks serve as prominent landmarks across the quadrangle, notably Edds Mountain, Mt Washington, and the high point of Bald Mtn on the eastern edge. A network of primitive roads and a Wooden Pole Trans Line cross the terrain, linking remote summits like Granite Mountain and Iron Mountain. The southern portion of the map transitions into the Ninemile Creek and Hall Creek watersheds, illustrating the rugged topographic relief that characterizes this part of Ferry County.
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This is the sole edition of this map. No revisions or reprints were ever made.
1904 · Republic
USGS Topo · 1:125,000
1936 · Marcus
USGS Topo · 1:96,000
1942 · Marcus
USGS Topo · 1:125,000
1948 · Republic
USGS Topo · 1:62,500
1948 · Sherman Peak
USGS Topo · 1:62,500
1951 · Sherman Peak
USGS Topo · 1:62,500
1951 · Republic
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