
The Willamette River and Columbia River converge in a landscape defined by seasonal sloughs and early industrial hubs at the dawn of the twentieth century. The grid of Portland and the military presence at Vancouver Barracks anchor the region, while the surrounding Fourth Plains are dotted with numerous sawmills and emerging settlements like Montavilla and Woodlawn. This era captures the riverfront before modern channelization, showing the complex archipelago of Swan Island, Hayden Island, and Government Island in their more natural configurations.
87 named features on this map. Tap any name to fly to it.
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8 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
1915 · Hillsboro
USGS Topo · 1:62,500
1916 · Tualatin
USGS Topo · 1:62,500
1916 · Estacada
USGS Topo · 1:125,000
1918 · Hillsboro
USGS Topo · 1:62,500
1918 · Troutdale
USGS Topo · 1:62,500