Toledo and the surrounding prairies define this portion of the Cowlitz River valley in Lewis County. The landscape is characterized by a series of distinct flatlands, including Lacamas Prairie, Cowlitz Prairie, and Layton Prairie, which historically supported the region's agricultural development. This 2011 survey reveals a high density of rural institutions, such as the Cowlitz Prairie Grange and a network of namesake educational sites like the Upper Cowlitz School and Wayside School, reflecting a long-standing community structure.
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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