
Laurel Mountain dominates this mid-1970s landscape, serving as a focal point for a region defined by high-elevation ridges and deep creek drainages. The area is heavily managed for timber and conservation, evidenced by the extensive George T Gerlinger State Experimental Forest in the southeast and numerous extractive sites like Borrow Pits and quarries scattered across the slopes. The logging history of Polk County is written into the terrain through a network of pack trails, jeep trails, and a prominent Old RR Grade near Little Luckiamute R, marking the transition from rail-based timber hauling to modern road systems.
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This is the sole edition of this map. No revisions or reprints were ever made.
1942 · Sheridan
USGS Topo · 1:62,500
1942 · Spirit Mtn
USGS Topo · 1:62,500
1942 · Valsetz
USGS Topo · 1:62,500
1942 · Dallas
USGS Topo · 1:62,500
1948 · Vancouver
USGS Topo · 1:250,000
1950 · Vancouver
USGS Topo · 1:250,000
1950 · Vancouver
USGS Topo · 1:250,000
1953 · Salem
USGS Topo · 1:250,000
1954 · Salem
USGS Topo · 1:250,000
1955 · Grand Ronde
USGS Topo · 1:62,500