
Tidewater sits at a strategic bend of the Alsea River, serving as the primary human settlement in a landscape dominated by the Siuslaw National Forest. The 1940s terrain is marked by a network of drainage systems including Drift Creek and Lobster Creek, which carve through prominent heights such as Cannibal Mtn and Table Mtn. A series of forest shelters, including Fivemile Shelter and Klickitat Shelter, are positioned along the interior trails, reflecting the early mid-century infrastructure for forest management and recreation.
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1918 · Mapleton
USGS Topo · 1:48,000
1920 · Heceta Head
USGS Topo · 1:62,500
1922 · Waldport
USGS Topo · 1:62,500
1939 · Marys Peak
USGS Topo · 1:62,500
1940 · Mapleton
USGS Topo · 1:62,500
1941 · Blachly
USGS Topo · 1:62,500
1942 · Marys Peak
USGS Topo · 1:62,500
1942 · Alsea
USGS Topo · 1:62,500
1942 · Blachly
USGS Topo · 1:62,500
1942 · Waldport
USGS Topo · 1:62,500