
Alsea sits at the southern edge of this Oregon Coast Range survey, where the Alsea River and its various tributaries converge. The terrain is dominated by the Siuslaw National Forest, showing a landscape defined by significant elevations like Old Blue Mtn and Maddsens Knob. The mapping captures the complex drainage systems of the region, including the North Fork Alsea River and numerous smaller creeks such as Honey Grove Cr and Seeley Cr.
55 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.
1921 · Corvallis
USGS Topo · 1:62,500
1922 · Monroe
USGS Topo · 1:62,500
1939 · Marys Peak
USGS Topo · 1:62,500
1939 · Monroe
USGS Topo · 1:62,500
1942 · Marys Peak
USGS Topo · 1:62,500
1942 · Alsea
USGS Topo · 1:62,500
1942 · Monroe
USGS Topo · 1:62,500
1942 · Corvallis
USGS Topo · 1:62,500
1953 · Salem
USGS Topo · 1:250,000
1954 · Salem
USGS Topo · 1:250,000