Photograph showing one man spraying water out of a large hose, while another man in a suit looks on. In the background is a train car with “P.R.RY.L. &P.Co” written on the side. Construction debris can be seen throughout the image. Written on the negative is “0348.”

Photograph of Bull Run powerhouse, with two buildings. The river is visible on the right side at the bottom of the building. Trees and transmission lines are visible in the distance.

Photograph showing a man in work wear standing next to a generator unit at the Little Sandy Dam. Other units can be seen in the background of the image, while a raised platform with a ladder is behind the front unit. Written on the negative is “No 2 unit, 1-29-12, Bull Run Ore. (47).

Photograph showing the interior of the high tension switch room at the Little Sandy River Dam. Multiple electrical units and insulators can be seen throughout the photograph. Written on the negative is “0354.”

Photograph of a governor device at Bull Run. A large wheel is on the front of the machine.

Photograph showing two men standing next to a utility pole tower with insulators visible at the top. One man is wearing a suit and bowlers hat, while the other wears a long jacket, a hat, with tall boots and a pipe. Written on the negative is “Tower. Bull Run. 2-26-12 (69).

Photograph showing three men with a lumber carrier on a railroad track. Th men are looking at the camera and standing on the railroad car, which is loaded with planks of cut wood. In the background are piles of dirt and lumber. Written on the negative is “0258.”

Photograph looking into wooden penstock at Bull Run.

Photograph showing the Big Sandy Dam (likely the Marmot Dam) spillway with flowing water, taken looking upriver. A cement divider can be seen at the top of the spillway, in front of a small wooden structure and platform. Written on the negative is “B.S. 52.” (Image note: discoloration visible at right side of image).

Photograph showing construction at the Big Sandy Dam (likely the Marmot Dam). Workers can be seen inside of a long wooden structure (flume?) while one can be seen at the top. On the right side of the frame is a loose hillside. Written on the image is B.S-35.”

Photograph looking downward at a wooden flume and railway track built on a hillside. The wooden structure continues into the distance, where more tree covered hillsides can be seen. Written on the negative is “0-336.”

Photograph showing a temporary work camp built on the Oak Grove Fork of the Clackamas river during the Oak Grove construction project. Several white tents can be seen across the water, in front of a thick forest of pines. In the foreground, stumps and logs can be seen along the waters edge.

Photograph showing slowing water and logs on the Clackamas River (Oak Grove Fork?), upstream from the potential site for the lower dam. Written on the negative is “Upstream from Lower Damsite at Intake, 5-4-20.” (Image note: numerous scratches are visible on the negative).

Photograph showing a temporary camp at the Roaring River ranger station, looking northwest. Several tent cabins can be seen throughout the middle of the frame, as well as two small log wooden buildings. Forested hillsides can be seen in the background. Written on the negative is “R32.” (Image note: discoloration visible at near top right corner).

Photograph looking downward at Serene Lake, a tributary for the Roaring river, taken from a high point. In the distance above the lake is a forested ridge. Written on the negative is “E301.09-O-163” and “R27.” (Image note: written on image sleeve is “sec 7 T.5.S. 7E”).

Photograph showing five men and an automobile, taken on a dirt road next to a rocky hillside. Four of the men are seated in the vehicle, while a fifth stands. All the men are facing forward and looking at the camera. (Image note: slight discoloration at left side of image. See related images PGE 16-131.1, PGE 16-131.2, PGE 16-131.3, PGE 16-131.4)

Photograph showing a man in a cart attached to a cable crossing the Clackamas River at Three Lynx. He is facing forward while looking slighty to the side, with his hands in his lap. Trees and rocks can be seen on the far shore. Written on the negative is “E301.09-O-178.”

Photograph showing a small wooden cabin in snow conditions. The cabin is surrounded by trees also with a light layer of snow. Written on the negative is “Big bottom cabin, 12/15/20” and “E301.09-O-13.”

Photograph looking downward showing four wooden log buildings in a recently cleared field. Stumps and logs are visible throughout the field, beyond which is a forest. The building on the left is two stories, while the others appear to be one level. Written on the negative is “Oak Grove ranger station, 12/8/20” and also “E309.09-O-10.” (Image note: see related image PGE 16-298).

Photograph taken from above showing a snow laden landscape. On the right side of the frame a cluster of buildings can be seen (headquarters camp), and on the left is the Clackamas River.

Photograph showing two Russel 15-30 steam tractors being used to saw lumber. An awning is stretched over the area, and a wooden building can be seen in the background.

Photograph showing a temporary camp at Davis Ranch, with tent cabins in the snow. Each cabin includes a chimney, many of which show smoke. A worn path can be seen extending from the camera towards the camp area. In the background is a wooded hillside.

Photograph showing a wooden bridge with an automobile, two horses, and men on top of the structure. Snow can be seen throughout the image.

Photograph taken from a slight high angle looking downward at a cluster of small wooden buildings on a snow-covered hillside. At the base of the hill, a man faces forward towards the camera, while another stands next to the log cabin further uphill. Written on the negative is “cabin and weather observing station at intake, 12/12/20.”

Photograph taken from the ground and looking upward at a high climber with a cut tree top. Other trees can be seen throughout the frame. Written on the negative is “E301.09-O-450.”

Photograph showing a hillside with a man in the foreground, with a steam shovel visible further along a cut dirt road. The man is turned sideways and is bending over a long piece of pipe. On the right side of the frame, the Clackamas River is visible, along with rock and mud debris. Written on the negative is “E301.09-O-54” and “11.”

Photograph showing pipes with concrete cradles at Frog Lake, in a newly logged area. A railroad track and small wooden bridge can be seen in the background.

Photograph looking across the South Fork of the Clackamas River, towards camp #2 on the opposite shore. A row of tent cabins, and several small wooden buildings can be seen. In the background is a forested hillside.