
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.
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