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Federal
Active channel mapping for the mainstem Willamette River, Oregon, in 2009
Department of the Interior —
The active channel of the Willamette River in western Oregon is the portion of the floodplain that regularly conveys water and bed-material sediment (typically sand... -
Federal
Active channel mapping for the mainstem Willamette River, Oregon, in 2016
Department of the Interior —
The active channel of the Willamette River in western Oregon is the portion of the floodplain that regularly conveys water and bed-material sediment (typically sand...