
The Columbia River serves as the focal point of this mid-1950s survey, marking the interstate border between Clark County, Washington, and Multnomah County, Oregon. On the northern shore, the industrial centers of Camas and Washougal are depicted alongside an Aluminum Plant and the extensive Camp Bonneville Military Reservation. To the south, the expansion of the Portland metropolitan area is evident in the development of Troutdale, Gresham, and Wood Village, connected by the Banfield Expressway and the Union Pacific railroad line.
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1897 · Portland
USGS Topo · 1:62,500
1905 · Portland
USGS Topo · 1:62,500
1911 · Boring
USGS Topo · 1:48,000
1914 · Boring
USGS Topo · 1:62,500
1914 · Oregon City
USGS Topo · 1:62,500
1916 · Estacada
USGS Topo · 1:125,000
1918 · Troutdale
USGS Topo · 1:62,500
1934 · Troutdale
USGS Topo · 1:48,000
1939 · Oregon City
USGS Topo · 1:62,500
1940 · Lookout Mtn
USGS Topo · 1:62,500