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 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 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 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 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 interior damage one day after the 1908 wreck at the Cazadero Dam/Station G due to equipment malfunction. A man stands with debris while looking at the camera, and windows and roofing materials show extensive damage.

Photograph showing the interior of Station G at the Cazadero Dam showing the generator units and building structure. Several large windows an be seen on the left side of the frame, and a man can be seen in the background near the top.

Photograph showing the lower dam site at Cazadero Dam/Station G, looking downriver. Forested hills can be seen in the distance.

Photograph of the Cazadero Dam taken in front of the spillway. Water flows over the ledge into a pool at the base, and another stream of water can be seen spilling down on the right side of the frame. The stacked wooden dam structure is visible to the left of the main spillway.

Photograph taken from a side angle, showing the flume at the Cazadero Dam/Station G. Below the wooden flume is a dirt hillside with rocks, and a long wooden building can be seen in the background on the right side of the frame.

Photograph looking towards flume and railway tracks at Cazadero Dam/ Station G. A man stands on the railway tracks in the distance, and a dirt hillside drops down between the tracks and the flume.

Photograph showing the flume at Cazadero Dam/Station G during a flood. Rapidly moving water is visible in the Clackamas River below the flume, and a wooden building can be seen on a hillside above.

Photograph looking across the Clackamas River, of a potential dam site for the future River Mill Dam. A rocky cliff-face can be seen across the water, as well as tree at the top of the frame. Written on the negative is “Oct 22, ‘09, PES #2004.”

Photograph of a train crossing the Sandy River bridge at Dodge Park, Bull Run. A total of eight passenger train cars can be seen crossing the trestle bridge, under which river rocks and water can be seen.

Photograph showing the exterior of the two-story Estacada Hotel. The windows on the first and second floors are covered by decorative awnings, and small trees can be seen surrounding the building. In front appears to be an open lawn area. (Image note: slight discoloration visible at bottom of frame, due to slight deterioration).

Photograph showing construction at the Big Sandy Dam (likely the Marmot Dam). Several workers are visible on top of the wooden dam structure next to the Sandy River. Uphill are several small wooden platforms and buildings. Written on the negative is “BS-20.”

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 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 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.”