
Bone Mountain and the surrounding timberlands of the Siskiyou National Forest dominate this landscape along the border of Coos and Douglas counties. The terrain is defined by steep drainage systems, most notably where the Middle Fork Coquille River carves a path between Skull Ridge and Sixmile Ridge. The presence of several quarries and borrow pits near Lake Creek and Twelvemile Creek points to the area's active management for resource extraction and road maintenance in the late 20th century.
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This is the sole edition of this map. No revisions or reprints were ever made.
1928 · Sitkum
USGS Topo · 1:125,000
1946 · Dutchman Butte
USGS Topo · 1:62,500
1948 · Dutchman Butte
USGS Topo · 1:62,500
1954 · Bone Mountain
USGS Topo · 1:62,500
1955 · Camas Valley
USGS Topo · 1:62,500
1955 · Sitkum
USGS Topo · 1:62,500
1955 · Medford
USGS Topo · 1:250,000
1957 · Medford
USGS Topo · 1:250,000
1958 · Medford
USGS Topo · 1:250,000
1958 · Roseburg
USGS Topo · 1:250,000