
The Nehalem River winds through the heart of this 1940 tactical survey, defining the settlement patterns of northwestern Oregon during the pre-war era. The town of Vernonia serves as the primary hub, surrounded by a landscape of timber-covered ridges and narrow valleys where smaller outposts like Pittsburg and Koster took root. The mapping, conducted by the Corps of Engineers, U. S. Army using aerial photography from the 91st Observation Squadron, provides a precise look at the rural infrastructure of the time, including the Pleasant Hill School and Beaver Creek School. High-elevation observation points such as Catherwood Lookout and Baker Pt Lookout overlook the complex drainage systems of Rock Creek and Oak Ranch Creek, highlighting the importance of fire watch and forest management along the Columbia and Washington County line.
23 named features on this map. Tap any name to fly to it.
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This is the sole edition of this map. No revisions or reprints were ever made.
1915 · Hillsboro
USGS Topo · 1:62,500
1918 · Hillsboro
USGS Topo · 1:62,500
1919 · Mayger
USGS Topo · 1:62,500
1921 · Kalama
USGS Topo · 1:62,500
1922 · St. Helens
USGS Topo · 1:62,500
1940 · Hillsboro
USGS Topo · 1:62,500
1941 · Keasey
USGS Topo · 1:62,500
1941 · St Helens
USGS Topo · 1:62,500
1941 · Timber
USGS Topo · 1:62,500
1941 · Gales Creek
USGS Topo · 1:62,500