
The South Yamhill River and Little Nestucca River headwaters define this portion of the Coast Range, where the drainage divide separates water flowing toward the Willamette Valley from that heading to the Pacific. Small settlements like Boyer and Midway sit along primary transit corridors, while the surrounding hills are marked by elevations such as Sourgrass Summit and Murphy Hill. This 2011 survey reflects a landscape of managed forests and watersheds, characterized by a dense network of forest roads and creeks including Agency Creek and Joe Day Creek.
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This is the sole edition of this map. No revisions or reprints were ever made.
1941 · Nestucca Bay
USGS Topo · 1:62,500
1942 · Euchre Mtn
USGS Topo · 1:62,500
1942 · Spirit Mtn
USGS Topo · 1:62,500
1942 · Nestucca Bay
USGS Topo · 1:62,500
1942 · Valsetz
USGS Topo · 1:62,500
1943 · Euchre 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
1953 · Salem
USGS Topo · 1:250,000