
The Clackamas River and Sandy River serve as the primary geographical anchors for this region southeast of Portland during the 1910s. The landscape is defined by the early industrial infrastructure of the Pacific Northwest, notably the Cazadero Logging Railroad and the massive Portland Hood Electric Power Company lines that cut through the terrain. River transport remains vital, evidenced by the presence of Mc Murray Ferry and Feldheimer Ferry providing essential crossings before modern bridges dominated the corridor.
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3 editions found
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 · Molalla
USGS Topo · 1:62,500
1939 · Oregon City
USGS Topo · 1:62,500