
The Columbia River serves as the dominant geographic spine of this Pacific Northwest region, dividing the growing urban centers of Portland and Vancouver as they appeared just after World War II. The map illustrates a diverse landscape of riverine commerce, coastal settlement, and timbered highlands. Along the Pacific coast, U S Highway 101 connects a string of beachside communities from Seaside down through the now-lost spit of Bayocean on Tillamook Bay. The interior is defined by complex river systems like the Willamette and Nehalem, which supported the region's agricultural and industrial base.
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This is the sole edition of this map. No revisions or reprints were ever made.
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