2020 Map of Cochran
USGS Topo · Published 2020About this map
Larch Mtn and Giveout Mtn dominate the high-elevation terrain where the border of Tillamook and Washington Counties meets. This 2020 map documents a heavily managed forest landscape, defined by a complex network of logging access roads and historical grades. The headwaters of the Salmonberry River and the Nehalem River carve through the ridges, creating a steep drainage pattern that has historically challenged transportation.
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Map Details
Editions of this 2020 Cochran Map
This is the sole edition of this map. No revisions or reprints were ever made.
Other maps of this area
1937 · Enright
USGS Topo · 1:62,500
1939 · Saddle Mountain
USGS Topo · 1:62,500
1941 · Keasey
USGS Topo · 1:62,500
1941 · Timber
USGS Topo · 1:62,500
1941 · Enright
USGS Topo · 1:62,500
1943 · Keasey
USGS Topo · 1:62,500
1943 · Saddle Mtn.
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