Photograph showing the water circulation system at Station E (northwest Portland, near the intersection of NW 21st Avenue and NW Sherlock Avenue). A man looks at the camera while a pipe sprays a stream of water into the river. Several large ships and barges can be seen in the distance.

Photograph of the Oregon Electric Railway bridge over the Willamette River at Wilsonville, Oregon. The bridge is under construction. Taken from the shore of the river, looking at the bridge. Handwriting on the back of the print reads, "Oregon Electric Ry. Wilsonville Bridge nearing completion. Frederick Prahl, General Roadmaster (died 1909), 'in charge of construction,' 1906 - 07. Presented Jan 18, 1956 by Margaret L. Chappell - granddaughter, Addie M. Sliven - daughter, 2535 Willamette Blvd. Portland 11 Ore." Postmark stamp on the back of the print reads, "Wilsonville, Sep. 17 P.M. 1907, Oregon."

View of the Spokane, Portland, & Seattle Railway Willamette River Bridge. A handwritten note on the back for the photograph reads, "File 62 - SP&S Train crossing Willamette River Bridge."

Photograph showing the U.S. Navy ship U.S.S. Oregon sailing on the Willamette River in front of downtown Portland. Many flags are displayed on the ship. Several airplanes fly over the city. Label on the print reads, "The Oregon at Home, Portland, Oregon. Copyright A. L. Ransford, No. 221." Handwritten note on the back reads, "Released only for S.P.&S. R.R. publications only, A. L. Ransford." Stamp on the back of the print for A. L. Ransford, Commercial Photographer, Portland, Oregon.

Photograph taken from a distance showing Station B in Oregon City. Numerous buildings are visible throughout the frame, both on the near and far shores of the Willamette River. Several large smokestacks can be seen on multiple buildings.

Photograph showing the exterior of Station B in Oregon City. The flowing Willamette River can be seen at the base of the stone building. Behind, utility poles and another building can be seen at the top of a hill.

Photograph taken from a high angle showing the exterior of Station B in Oregon City. Willamette Fall is visible at the center of the frame, and a building is on the left side. Across the water, several building can be seen on a wooded hillside.

Photograph of the exterior of Station B in Oregon City, with the flowing Willamette River in the foreground. Behind the brick building a hill with utility poles and three large tanks can be seen.

Photograph of the exterior west wall of Station B in Oregon City, with the Willamette River. Two men work on a wooden lock gate. Numerous utility poles are visible throughout the image.

Negative of a photographic postcard showing the St. Johns Bridge in Portland, Oregon. Taken from the west side of the Willamette River, and looking east across the river to the St. Johns neighborhood. Black smoke rises into the air from an area behind the bridge. Mount Adams is visible in the distance.

Manuscript that recollects when Governor Clarence D. Martin called out Portland's mayor at the time, Mayor Carson, on the pollution being dumped into the Willamette River. The document goes on to point out how this is a violation of state law. Portland was not the only area affected.

Photograph taken at a high vantage point, looking north, of paper mills in Oregon City, showing railroad tracks and the Willamette River. The Oregon City Bridge (Arch Bridge) can be seen in the distance crossing the river. Industrial buildings line the river on the opposite banks. Written on the top of a building is a large sign with “Crown Willamette Paper Company” and “Hawley Pulp and Paper Company.”

Negative of a photographic postcard showing the St. Johns Bridge in Portland, Oregon. Taken from the west side of the Willamette River, and looking east across the river to the St. Johns neighborhood. Black smoke rises into the air from an area in St. Johns behind the bridge. The Portland Tug and Barge Co. is visible in the foreground. The image is framed by tree leaves on the left and right. Handwriting on negative reads, "Willamette River - St. John's (sic) Bridge - Oregon. Christian 586."

Articles discussing Willamette Valley project, water conservation, and appointment of Ira N. Gabrielson as Director of Fish and Wildlife Service.

Photograph showing a dam at Willamette Falls in Oregon City. In the center of the frame, water cascades through an opening between a building and dam structure. Numerous other buildings and utility poles can be seen throughout the image.

Photograph showing a dam at Willamette Falls in Oregon City. Water flows past a rough wooden wall in the center of the frame. On the left a power plant building can be seen, with out structures further up the hill in the background.

Photograph showing a dam at Willamette Falls in Oregon City. In the center of the frame is Willamette Falls, with water cascading down. In the distance across the water, buildings can be seen along a hillside.

Photograph taken at Willamette Falls in Oregon city showing a barge loaded with piles of cut wood, tied to a rough wooden dock. Across the river, other buildings and wooded hills can be seen.

Photograph taken at Willamette Falls in Oregon city showing men working on a wooden dam structure. Industrial buildings and a smokestack can be seen just beyond the dam structure, and wooded hills are in the distance. A large white house is visible at the top of the hill on the left side of the frame.

Photograph showing groups of men working on a dam in Oregon. Two men are standing in the shallow water, while another two are in a rowboat to the right. Another four men stand on top of the wooden structure to the left next to a hoisting machine. In the background, multiple smokestacks can be seen coming from a large industrial building.