An aerial view of the Willamette River in Portland, looking south. The Broadway, Steel, and Burnside Bridges can be seen spanning the river. The Ross Island Bridge is also visible in the distance. Downtown Portland can be seen at the right side of the frame (negative 10 of 12).

An aerial view of Portland and the Willamette River, looking southeast, showing the Ross Island Bridge and Ross Island (negative 1 of 12).

An aerial view of the Rose Festival parade in Portland. People and floats can be seen in the middle of a street, which is lined on both sides by a crowd. The Willamette River and the Burnside Bridge can be seen in the distance. Most likely taken near N.E. 12th Avenue and N.E. Lloyd Street (negative 1 of 10).

An aerial photograph of Albany, showing buildings and the Willamette River with floating logs. The Linn County Courthouse can be seen in the distance (negative 2 of 10).

An aerial photograph of Albany, showing buildings, the Willamette River, and several bridges, including the Ellsworth Street Bridge (negative 5 of 10).

An aerial view of the Cascade Plywood Corporation buildings in Albany. Floating logs can be seen on the other side of the building, likely in the Willamette River (negative 7 of 10).

An aerial view of Corvallis, showing industrial buildings. Signs can be seen for “Green Valley Creamery” and “Irish-Taylor Shopping Center.” The Willamette River and a bridge at N.W. Van Buren Avenue can be seen on the right side of the frame (negative 2 of 8).

An aerial view of Forest Park in Portland, looking east. The Willamette River and downtown Portland can be seen in the distance. Several dirt roads can be seen on a ridge in the park (negative 4 of 10).

An aerial view of a football stadium at University of Oregon in Eugene, during a game between the University of Oregon and Oregon State College. Players can be seen on the field, with spectators in the stands. The Willamette River can be seen in the distance (negative 1 of 3).

An aerial view of the Penn Salt Company plant, likely at 6400 N.W. Front Avenue in Portland. A dock extends into the Willamette River, from the industrial facility (negative 1 of 3).

An aerial view of Union Station in Portland, during a flood on the Willamette River. Water can be seen encroaching into a train yard above the Union Station building (negative 3 of 6).

An aerial view, showing ships and industrial areas at Portland Harbor, most likely on the Willamette River (negative 1 of 1).

An aerial view of a Portland area housing project, with “Kellogg Park” written across the negative. A post-World War II housing development south of Sellwood, the Willamette River can also be seen at the edge of the frame (negative 16 of 27).

An aerial view of a Portland area housing project, with “Oswego” written across the negative. The Willamette River (?) and a train track are at the bottom of the frame, next to several newly built apartments (negative 18 of 27).

An aerial view, looking east, showing construction of the Ross Island Bridge approach. A portion of the bridge can be seen at the top of the frame, crossing the Willamette River from the west (negative 1 of 4).

An aerial view showing the home of David Eyre on the Willamette River, designed by Van Evera Bailey. Log rafts can be seen on the river, with the Lake Oswego Railroad Bridge (negative 1 of 1).

An aerial view showing painters working on the St. Johns Bridge. Looking towards the east, the Willamette River with logs and industrial facilities can be seen below (negative 1 of 4).

An aerial view showing painters working on the St. Johns Bridge. Looking towards the east, the Willamette River with logs and industrial facilities can be seen below. Stacks of lumber are around the “Portland Lumber Mills” buildings (negative 3 of 4).

An aerial view showing painters working on the St. Johns Bridge. Below the bridge are log rafts and an industrial area along the Willamette River (negative 2 of 4).

An aerial view, looking north, showing Southeast Portland and the Willamette River. Bridges can be seen crossing the river, including the Ross Island Bridge, Hawthorne Bridge, and Steel Bridge. At the center of the frame is large train yard. Photographed with a K-25 camera (negative 10 of 14).

An aerial view, looking south, showing the Willamette River, Elk Rock Island, and Milwaukie. The Lake Oswego Railroad Bridge can be seen in the distance. Photographed with a K-25 camera (negative 11 of 14).

An aerial view showing the Willamette River in Oregon City, looking south. The Oregon City Arch Bridge crosses the Willamette River, to the west of Main Street. Willamette Falls, and a Portland General Electric dam and hydroelectric power plant can be seen on the river to the south of the bridge. Streets and houses in a grid pattern are on the east side of the river. Photographed with a K-25 camera (negative 3 of 14).

An aerial view showing the Willamette River in Oregon City, looking south. A dam can be seen at Willamette Falls, with a Portland General Electric hydroelectric power plant visible on the right side of the river. Roads are on either side of the river. Photographed with a K-25 camera (negative 2 of 14).

An aerial view of the Willamette River and Goat Island, looking west. A riverboat is hauling a barge next to the island. At the left side of the frame is the John McLoughlin Bridge at the mouth of the Clackamas River. Photographed with a K-25 camera (negative 6 of 14).

An aerial view, looking south, showing the Willamette River and the Ross Island Bridge in Portland. Ross Island can be seen just south of the bridge, with numerous timber rafts floating on the water. A timber mill can be seen on the east side of the river, next to a set of train tracks. Photographed with a K-25 camera (negative 7 of 14).

An aerial view of Mock’s Bottom, northeast of Swan Island, in Portland. The Willamette River can be seen at the left side of the frame, with a neighborhood in the distance at the top of a bluff. Timber rafts are floating in the river, between Mock’s Bottom and Swan Island. An industrial area is on Swan Island, with buildings for “Gilmore Steel” (negative 1 of 7).

An aerial view showing a ship and industrial area on Swan Island, in Portland. A ship with “Relief” painted on the side is moored at a dock, with various hoists and cranes visible on the island (negative 3 of 7).

An aerial view of Portland’s Union Station, coated in snow. The Broadway Bridge crosses the Willamette River, next to a train yard (negative 1 of 10).