
The Tualatin Valley is depicted here as a landscape of established agriculture and emerging rail suburbs during the early twentieth century. Extensive wetland systems like Onion Flat and the meandering Tualatin River are framed by prominent elevations, including Cooper Mountain and Chehalem Mountain. The presence of the Southern Pacific and Oregon Electric railroads highlights the region's connectivity, serving small communities such as Beaverton, Tigard, and Newberg.
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5 editions found
1897 · Portland
USGS Topo · 1:62,500
1905 · Portland
USGS Topo · 1:62,500
1914 · Oregon City
USGS Topo · 1:62,500
1915 · Hillsboro
USGS Topo · 1:62,500
1916 · Tualatin
USGS Topo · 1:62,500
1918 · Hillsboro
USGS Topo · 1:62,500
1923 · Mount Angel
USGS Topo · 1:62,500
1924 · Mc Minnville
USGS Topo · 1:48,000
1926 · Mc Minnville
USGS Topo · 1:62,500
1939 · Molalla
USGS Topo · 1:62,500