
Hillsboro serves as the focal point of this Washington County landscape, where the urban grid meets the agricultural reaches of the Tualatin Valley. The map documents the city's relationship with the Tualatin River and Jackson Bottom, showing a developed core that transitions into smaller settlements like Orenco and Reedville. Transportation remains a central theme, evidenced by the presence of the Portland-Hillsboro Airport and the B N Junction, which mark the area's ongoing role as a regional hub for commerce and travel.
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This is the sole edition of this map. No revisions or reprints were ever made.
1915 · Hillsboro
USGS Topo · 1:62,500
1916 · Tualatin
USGS Topo · 1:62,500
1918 · Hillsboro
USGS Topo · 1:62,500
1939 · Tualatin
USGS Topo · 1:62,500
1940 · Tualatin
USGS Topo · 1:62,500
1940 · Hillsboro
USGS Topo · 1:62,500
1941 · Gales Creek
USGS Topo · 1:62,500
1941 · Yamhill
USGS Topo · 1:62,500
1942 · Yamhill
USGS Topo · 1:62,500
1948 · Vancouver
USGS Topo · 1:250,000