
Onalaska stands at the center of this rural Lewis County landscape, where the South Fork Newaukum River and Carlisle Lake define the local geography. The area transitions from the open flats of Alpha Prairie in the north to Cowlitz Prairie in the south, reflecting a long history of agricultural settlement. Smaller communities like Salkum, Lacamas, and Ethel are connected by a network of country roads such as Centralia Alpha Rd and Main Ave.
65 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.
1916 · Chehalis
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
1953 · Hoquiam
USGS Topo · 1:250,000
1953 · Toutle
USGS Topo · 1:62,500
1953 · Castle Rock
USGS Topo · 1:62,500
1954 · Onalaska
USGS Topo · 1:62,500
1954 · Centralia
USGS Topo · 1:62,500
1957 · Hoquiam
USGS Topo · 1:250,000