The Columbia River serves as the focal point of this coastal landscape, defining the state boundary between Washington and Oregon. Along the northern bank, the city of Longview expands toward the river's edge, transitioning from the residential slopes of Longview Heights down to a complex system of industrial and agricultural drainage, including Ditch Number Five and Ditch Number Six. The river itself is fragmented by substantial landforms such as Fisher Island, Walker Island, and Lord Island, which are separated from the mainland by a series of deep channels and sloughs like Solo Slough.
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This is the sole edition of this map. No revisions or reprints were ever made.
1919 · Mayger
USGS Topo · 1:62,500
1921 · Kalama
USGS Topo · 1:62,500
1941 · Olequa
USGS Topo · 1:62,500
1941 · Clatskanie
USGS Topo · 1:62,500
1952 · Clatskanie
USGS Topo · 1:62,500
1953 · Hoquiam
USGS Topo · 1:250,000
1953 · Castle Rock
USGS Topo · 1:62,500
1953 · Ryderwood
USGS Topo · 1:62,500
1953 · Rainier
USGS Topo · 1:24,000
1953 · Kelso
USGS Topo · 1:24,000