The Columbia Slough, from Smith & Bybee Lakes to its headwaters at Fairview Lake. Above, 1935. Below, 1956

Above, 1944

Confluence of Willamette and Columbia, 1948

Columbia River Flood, 1948

Columbia Slough, 1955

Columbia Slough, 1955

Columbia Slough and Columbia River, 1963

Confluence of Willamette and Columbia, 1972

Confluence of Willamette and Columbia, 1977

Smith and Bybee Lakes/Hayden Island, 1995. Columbia Slough on south side of lakes