Copy of Photograph, showing Station A at Willamette Falls in Oregon City. Multiple generators with large belts can be seen in a high ceiling room, and an individual can be seen standing in the background. Copy made April 16, 1915.

Copy of Photograph, showing Station A at Willamette Falls in Oregon City. Multiple generators with large belts can be seen in a high ceiling room with wooden beams. Copy made April 16, 1915.

Photograph taken during a flood in February of 1890, showing an old Station A building in Oregon City surrounded by moving water. In the foreground of the frame a wooden waterwheel is visible. An older paper frame can be seen around the edge of the photograph.

Photograph of train car and passengers, taken at Bull Run. The name “Portland” is written on the side of the train. Several individuals have picnic baskets, with men lined up in front of the train and women and children posing behind railing. Trees, telephone poles, and a wooden building can be seen in the background.

Photograph showing the Clackamas River in the River Mill area, with numerous “islands” and cliffs. A wooden suspension bridge can be seen spanning two cliffs near the center of the frame, with numerous wooden buildings visible in the distance. Written on the negative is “#58M. 8-12-10.”

Photograph looking downstream looking towards the “island,” with a wooden suspension bridge visible. In front of the bridge a blurry man can be seen facing the camera. Beyond the bridge is a small wooden building next to several vertical poles. Written on the negative is “#60M. 10-10.”

Photograph showing the construction of the spillway at the River Mill Dam. At the left side of the frame, a portion of a wooden suspension bridge can be seen. Behind, a railroad bridge spans the space between two cliffs, beyond which wooden buildings are visible. Written on the negative is “#84M. 1-28-11.”

Photograph of River Mill Dam looking upstream. The powerhouse can be seen to the right of the large dam structure, with a smaller wooden building to the front. In the background, a distant railroad bridge can be seen.

Photograph of the River Mill Dam, showing recently cut trees and possibly dam structure under construction. Water can be seen at the front of the frame.

Photograph showing the left bank of the Clackamas River at the river Mill Dam, taken from the “island.” Near the center of the frame, two men in long jackets stand next to a surveying station. To the left, another man in a hat and jacket looks at the camera. In the distance, men can be seen working on the dam spillway. Written on the negative is “#70M. 11-28-10.”

Photograph of the Clackamas River looking upstream, near the River Mill Dam.

Photograph showing the exterior of the River Mill Dam powerhouse, likely shortly after construction. Loose hillsides can be seen to the left and right of the building, with transmission lines throughout (image note: corner of glass negative is broken and missing).

Photograph of the interior of the River Mill Dam (Station M) showing heavy head gate machinery. Several rows of large gears are visible, and large windows can be seen on all walls.

Photograph taken from a side angle of the River Mill Dam and powerhouse, showing exterior of building and view of dam structure. Water from the Clackamas River can be seen moving over the dam, and trees and transmission lines are visible in the distance.

Photograph taken from the side showing water cascading over the River Mill Dam. Across the water, the powerhouse for Station M can be seen.

Photograph from the interior of Station M at the River Mill Dam showing governor #3 during a test. On the device is written “The Lombard Governor Co.”

Photograph of the River Mill Dam powerhouse taken from a high angle, looking downwards. In the background, the dam structure and transmission lines can be seen.

Photograph taken from a bridge and looking downriver at the River Mill Dam and powerhouse. The Dam structure can be seen on the left, with the powerhouse building on the right.

Photograph of the interior of the River Mill Dam (Station M) showing generator machinery. Written on the side of the front unit is “General Electric Company.” Three people can be seen in the photo, two of which are looking at the camera.

Photograph showing the camp at the River Mill Dam site, taken from the top of the railroad bridge. Snow blankets the ground throughout the image, and numerous wooden buildings an be seen. Written on the negative is “82M.”

Photograph showing the camp at the River Mill Dam site, taken from the top of the railroad bridge. Snow blankets the ground throughout the image, and numerous wooden buildings an be seen. Written on the negative is “82M.”

Photograph showing the Clackamas River in the river Mill area, with numerous “islands” and cliffs. In the distance, a railroad track crossing a bridge is visible. Cut trees can be seen at the right side of the frame. Written on the negative is “#M56. 8-1910.”

Photograph taken from a side angle of a wooden and metal trestle bridge over the Molalla River. A person can be seen standing at the top of a hill in the distance. Railroad tracks appear to pass over the bridge.

Photograph of a freight house in Oregon City for the Willamette Valley Southern Railway Company (W.V.S.RY.) next to a train and railroad tracks. A train sits next to the building with “W.V.S.RY.” written on the side, and a wooden house can be seen in the background.

Photograph of a depot and substation at Beaver Creek for the Willamette Valley Southern Railway Company (W.V.S.RY). A sign on the building says “Beaver Creek,” and a train with logs can be seen on the a railroad track just beyond the building. People stand next to the station looking at the camera. Two other wooden structures can be seen to the left of the building.

Photograph of a Marion Steam Shovel cutting through a loose dirt hillside. Trees and stumps are visible at the edge of the hill. Men pose with the steam shovel while looking at the camera. On the side of the machine is written “Marion, C.J. Cook Co., Portland Oregon.”

Photograph of a steam shovel cutting through a loose dirt hillside in between Cottrell and Sandy River. Men stand next to the steam shovel looking at the camera.

Photograph of Bull Run reservoir showing dike and temporary falsework for construction of intake. A man in a long coat and hat stands on the dike looking forward. In the background, trees and buildings are visible.