Photograph looking uphill towards the Timberline Lodge building, with two women in skis facing towards the right. Snow can be seen on the ground and the slanted roof of the lodge, which also includes wood shingle siding with stone. Written on the negative is "57-320."

Photograph showing a group of five children in a forested area at Promontory Park. The children face away from the camera looking towards the left side of the frame. A cut log can be seen in the foreground.

Photograph showing a young child holding a fish in each raised hand. He is smiling, wearing a life-vest and is seated on a boat with Timothy Lake visible in the background. A fishing pole lays across his lap.

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 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 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 a partially completed suspension bridge over the Clackamas river near the River Mill Dam site. Cliffs and trees can be seen throughout the image. Written on the negative is “Dec 22, ‘09 – PES 2009.”

Photograph showing a bridge over the Clackamas River, taken from river level looking upward. In the background, a wooden suspension bridge can be seen across the cliffs behind the larger front bridge. Written on the negative is “Dec 22, ‘09 PRD 2007.”

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.”

Photograph showing a forested area with an arched “Estacada Park” sign. A fenced area can be seen in front of the sign, which is built on two pillars lined with rounded river rocks. A building is visible through the trees, and a flag pole with a United States flag can be seen.

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 showing an excavated area with dirt, water, and gravel. In the distance, buildings, trees, and hillsides can be seen. Also visible in the distance is Mt. Hood. Written on the negative is “0256.”

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 taken from a high angle showing the penstocks at the Little Sandy Dam. In the distance, numerous utility poles and electric lines are visible. Construction debris litters the ground throughout the image. Written on the negative is “0346.”

Photograph of Bull Run powerhouse surrounded by scaffolding.

Photograph showing the exterior to power plant buildings at the Little Sandy Dam, seen in a wooded setting. Two large buildings can be seen on a hillside, each with large windows. The building near the left side of the frame also includes transformer infrastructure on its roof. Written on the negative is “0356.”

Photograph showing the interior of the powerhouse at the Little Sandy Dam, showing several generator units and a man standing near the center of the frame. Written on the side of the units if “Westinghouse.” Behind the generators, details of the industrial building can be seen. Written on the negative is “0352.”

Photograph taken from a high angle looking downward at the interior of the powerhouse at the Little Sandy Dam. Several generator units are visible, as well as a platform accessible via ladders. Several large windows can be seen on the far walls. On the side of the generator units is “Westinghouse.” Written on the negative is “0351.”

Photograph of a rooming house building in the Little Sandy Dam area, with several people seated on a large porch while looking towards the camera. The building is two stories, with decorative points visible on the roof. Foliage and trees can be seen throughout the image. Written on the negative is “0-335.”

Photograph showing several temporary tent structures in a large field. Is the distance, another structure can be seen, in addition to trees and hills. (Image note: discoloration of the negative is visible at the center of the frame, in addition to a small damaged area also near the center).

Photograph showing a construction site Bull Run. Two men face away from the camera while standing next to piles of cut wood. A small building and wooden tower with ladder can be seen in the background.

Photograph showing construction at the Big Sandy Dam (likely the Marmot Dam). Workers can be seen on the wooden structure, with flowing water at the right side of the image. In the background are several small wooden structures. Written on the image is “B.S. 32.”

Photograph showing the Big Sandy Dam (likely the Marmot Dam) spillway with flowing water, taken looking upriver. A wooden platform can be seen crossing the dam above the water. Written on the negative is “B.S. 47.”

Photograph showing an excavated dirt canal, with visible water at the bottom level. In the distance, works can be seen along the sides of the canal, and a tunnel entrance is visible in the background. Written on the negative is “B.S-22.”

Photograph showing two men with a horse towing a metal cart on a railroad track. The horse is attached to the cart via a harness, with the reins being held by one of the individuals. In the background are trees and a hillside.

Photograph showing construction of the tunnel at the Big Sandy Dam (likely the Marmot Dam). A man stands next to a machine next to the tunnel entrance, which is emitting a large plume of steam. Wood and gravel is visible throughout the image. Written on the negative is “B.S. 48.”