
Hillsboro serves as the focal point of a landscape where the agricultural Tualatin Valley meets the industrial and maritime corridors of the Columbia River and Willamette River. The area is densely patterned with early twentieth-century infrastructure, featuring the routes of the Oregon Electric Railway, United Railways, and the Spokane Portland and Seattle Ry. These rail lines connect scattered rural communities such as Orenco, Witch Hazel, and Glencoe to the riverside industry at Linnton and St Johns.
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4 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
1922 · St. Helens
USGS Topo · 1:62,500
1939 · Oregon City
USGS Topo · 1:62,500
1939 · Tualatin
USGS Topo · 1:62,500
1940 · Tualatin
USGS Topo · 1:62,500