
The timbered slopes and fertile valleys of Washington County are captured here just before the United States entered World War II. The landscape is defined by the heavy presence of the logging industry, most notably at the Keonecke Lumber Co and the F W Dixon Lumber Mill in the northern hills. In the lowlands, a network of country schools like Hillside School, Kansas City School, and Thatcher School served the agricultural communities surrounding Forest Grove and Cornelius. Transportation during this era was heavily reliant on the rail lines of the Southern Pacific and United Railways, which connected small stations like Wilkesboro and Manning to the broader regional economy. Of particular interest is the Wolf Creek Hwy Construction Camp, marking the expansion of modern roadways through the difficult terrain near Wildcat Mountain and the Sunset Tunnel.
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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
1916 · Tualatin
USGS Topo · 1:62,500
1918 · Hillsboro
USGS Topo · 1:62,500
1922 · St. Helens
USGS Topo · 1:62,500
1939 · Tualatin
USGS Topo · 1:62,500
1940 · Tualatin
USGS Topo · 1:62,500
1940 · Hillsboro
USGS Topo · 1:62,500
1940 · Vernonia
USGS Topo · 1:62,500
1941 · Keasey
USGS Topo · 1:62,500
1941 · St Helens
USGS Topo · 1:62,500