Photograph showing the interior of the Hillsboro office for the Portland Electric Power Company (PEPCO). A large two-sided counter faces the front of the office, with several smaller desks in the center of the photograph.

Photograph showing the interior of the Hillsboro office for the Portland Electric Power Company (PEPCO). Several large appliances are displayed in the middle of the room, with a smaller display at the back. A counter and desk area can be seen in the background.

Photograph showing the exterior of the St. Johns office for the Portland Electric Power Company (PEPCO). Appliances can be seen in the window display.

Photograph showing the interior of the St. Johns office for the Portland Electric Power Company (PEPCO). A floor display shows large appliances with names such as “Thor,” “Hotpoint Electric Maid,” and “Westinghouse.” Paper decorations hang from the ceiling.

Photograph showing the interior of the St. Johns office for the Portland Electric Power Company (PEPCO). A counter display shows small appliances and housewares. Paper decorations hang from the ceiling, as well as large chandeliers.

Photograph showing a ferry at Hayden Island, with a dirt road leading to a loading dock for automobiles and horse-drawn carts. On the ferry is a sign with “City of Vancouver” written on it. The Columbia River can be seen behind the ferry, as well as a metal bridge spanning the water (likely the Burlington Northern Santa Fe bridge 9.6).

Photograph taken from a side angle showing a ferry at Hayden Island on the Columbia River, which appears to be behind a wooden dock. On the ferry is a sign with “City of Vancouver” written on it. Wooden pillars can be seen in the water in front of the ferry, and a bridge is in the distant background ((likely the Burlington Northern Santa Fe bridge 5.1).

Photograph showing a loose hillside with railroad tracks and a gravel pit at the Big Sandy Dam (likely the Marmot Dam). Multiple men can be seen standing on and near the tracks. At the top of a hill is a small wooden structure and platform. Written on the negative is “B.S.56.”

Photograph taken from a hill showing a scenic landscape in the Little Sandy Dam area. Field, trees, and hills are visible in the distance.

Photograph taken from a hill looking downward, showing buildings, trees, and hills in the distance. Written on the negative is “0254.”

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 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 men in work wear standing next to a large Y shape penstock. The metal penstock is seated on long pieces of wood with visible writing on different sections. A railroad track can be seen crossing through the front of the frame.

Photograph showing men working on a large wood frame structure. Pieces of wood and tools can be seen throughout the image, and a ladder can be seen in the bottom right corner. Written on the negative is “Intake, Bull Run, 2-26-12 (67).”

Photograph taken from a high angle showing a bridge over the Little Sandy River during snowfall. In the distance, men can be seen spraying water out of a hose towards the river. On the left side of the bank is a wooden structure surrounded by trees. Is the distance, snowy trees can be seen on a hillside. Written on the negative is “0261.”

Photograph taken from a high angle showing a man in a hat and long jacket standing in a incomplete switch room. The floor is lined with metal mesh sheeting with pipes. Written on the negative is “E301-0-3420.”

Photograph showing three men standing next to a metal utility structure at the top of the transformer house at the Little Sandy Dam. Two of the men are in work wear, while a third is wearing a suit and hat. Trees and hills can be seen in the distance. Written on the negative is “E301-0-3402.”

Photograph showing construction at the Big Sandy Dam (likely the Marmot Dam). In the foreground, two men stand on top of the wooden spillway structure, while other works can be seen in the background towards the hillside. Gravel and more wood can be seen towards the top of the hill. Written on the image is B.S-37.”

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 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). Several men can be seen standing on the wooden structure at the center of the frame. In the background, a wooden bridge crosses the river, surrounded by trees. Written on the image is B.S-19.”

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 spillway of the Big Sandy Dam (likely the Marmot Dam) while under construction. Works can be seen standing at the top of the structure, while several wooden buildings can be seen in the background. Written on the image is “B.S. 26.”

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 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 three men in suits standing in a dirt excavation area. Wood and gravel litters the ground throughout the excavated area. The man on the right looks downward at the ground.