Photograph showing a night crew at the Sellwood car barn, with car #1093. The group is looking at the camera while standing in front of the train car. Two men stand on a step in the doorway, while others stand at ground level. All men are wearing work clothes, including either jackets or overalls.

Photograph showing men and women with train car #1500. The train is on a hillside, and a small wooden platform is visible at the front. One man sits on the platform, while the others stand in a line behind him. A train conductor is visible on the right side of the train in a window. The women wear dresses and large hats.

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.”

Portrait from the knees up of a man in a suit. He stands in front of a backdrop, with grassy foliage to his right. Under the photograph is a caption reading “Guess who it is?” The man individual is likely seen in PGE136-3 at an older age (O.B. Coldwell). Also written on the photograph is “Watson, 225 First Street, Portland Ore.”

Photograph showing a frames image of the Vancouver Ferry on a body of water (likely the Columbia River). A smokestack on the ship releases steam into the air, and the shoreline can be seen in the distance. People can be seen on the front and back of the ship, as well as an automobile.

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 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 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 workers cutting through a dirt hill for the Mt. Hood Railway. The two men wearing suspenders and hats stand facing the hill, with tools laying on the ground.

Photograph showing construction at the Little Sandy Dam. A wooden structure is visible at both sides of the flowing river, with men standing on top of the structure. In the background is a wooded hillside and small wooden structure. Written on the negative is “Progress L.S. Dam, Freshet Oct 3, 2911.” (Image note: edge of glass is broken, obscuring some text).

Photograph taken from a side angle showing the incomplete powerhouse at the Little Sandy Dam. The building is surrounded by wooden scaffolding, with wood debris littering the ground. Works can be seen throughout the image. Written on the negative is “#23 Oct, 10. 1911.”

Photograph of the Big Sandy Dam site (likely the Marmot Dam), showing a wooden flume with suited individuals standing in the foreground. At the top of the hillside, a wooden building and platform can be seen. Written on the image is #34, B.S dam site, looking down stream, Oct 14, 1911.” (Image note: glass negative broken at lower right corner).

Photograph taken at NE 90th Ave. and Glisan St. showing a recently constructed “Villa Avenue” bridge (which has been been removed). Across the dirt road, wooden structures can be seen in the distance.

Photograph showing a temporary wooden dam at the Big Sandy Dam site (likely the Marmot Dam). Two workers stand on the wooden structure while looking upward at the camera. In the background, sandbags, woodpiles, and work tools can be seen. Written on the negative is “#33, Spillway in tempy dam at Big Sandy, Oct 21, ‘11.”

Photograph of Bull Run powerhouse surrounded by scaffolding.

Photograph of river showing tunnel entrance and wooden structures along water edge. Wooded hillsides are seen at both sides of the river. Two men stand at the tunnel entrance.

Photograph looking down the Sandy River trestle bridge, showing wood structure and railroad track. The hillside drops off on each side of the track, showing trees and stumps.

Photograph looking into penstock tunnel at Bull Run. Wooden structure and train tracks visible down length of tunnel.

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.

Photograph showing the exterior of Station L (now the Oregon Museum of Science and Industry) with several buildings visible. Railroad tracks pass through the front of the frame, and water from the Willamette River can be seen in front of the main stone building.

Photograph of the engine room of Station L (now the Oregon Museum of Science and Industry) showing machinery. A person in a white shirt can be seen on the right side of the frame, and the front unit has “General Electric Company” written on it.

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 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 showing exterior of wooden and steel structure of flume at Bull Run.

Photograph showing the boiler room at Station L (now the Oregon Museum of Science and Industry). A long row of boiler doors can be seen, and a man in a hat and overalls stands in front of one while looking at the camera. Large metal beams can be seen at the top of the boiler stuctures.

Photograph taken from a high angle of the hog fuel pile at Station L (now the Oregon Museum of Science and Industry), looking south. The Willamette River can be seen on the right side of the frame, and two unidentified churches can be seen in the distance.