Yale Dam stands as the central engineering feature of this landscape, holding back the waters of Yale Lake on the border between Cowlitz and Clark counties. This 2013 survey illustrates a region defined by hydroelectric development and managed timberlands, with the Gifford Pinchot National Forest covering much of the southern and eastern terrain. The small community of Yale Village and the St Helen's Aero Ranch Airport sit near the northern reaches of Lake Merwin, reflecting the intersection of local aviation and residential life in this river-valley corridor.
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This is the sole edition of this map. No revisions or reprints were ever made.
1919 · Mount St Helens
USGS Topo · 1:125,000
1940 · Lookout Mtn
USGS Topo · 1:62,500
1941 · Yacolt
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 · Hoquiam
USGS Topo · 1:250,000
1953 · Lookout Mtn
USGS Topo · 1:62,500
1953 · Cougar
USGS Topo · 1:62,500
1956 · Yacolt
USGS Topo · 1:62,500