
Cowlitz River and its major tributaries form the backbone of this mid-century portrait of southwestern Washington. The landscape is defined by the industrial presence of the Weyerhaeuser Timber Co Railroad, which snakes through the valleys to serve the timber operations centered around Camp Baker and various logging roads. Small agricultural and residential pockets like Cowlitz Prairie, Eden Valley, and Sightly are scattered between the rising peaks of Hatchet Mountain and Green Mtn.
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1916 · Chehalis
USGS Topo · 1:125,000
1919 · Mount St Helens
USGS Topo · 1:125,000
1921 · Kalama
USGS Topo · 1:62,500
1937 · Eatonville
USGS Topo · 1:125,000
1941 · Olequa
USGS Topo · 1:62,500
1942 · Toutle
USGS Topo · 1:62,500
1943 · Willapa
USGS Topo · 1:62,500
1943 · Pigeon Springs
USGS Topo · 1:62,500
1953 · Hoquiam
USGS Topo · 1:250,000
1953 · Castle Rock
USGS Topo · 1:62,500