Negative of a photographic postcard showing the Bonneville power plant at the Bonneville Dam. The road leading to the plant is lined with flowers and a body of water is to the right. There are several power lines in the sky, transmitting electricity from the plant. Handwriting on negative reads, "Bonneville Power Plant. Columbia River Highway, Oregon. Christian 507."

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 looking into wooden penstock at Bull Run.

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 of train car #1359, Standard Gauge Paye Motor Car, partway under a building facade. Multiple electric lines pass overhead. “Sellwood” is displayed at front of train.

Photograph showing electrical transmission towers in a field with grazing cows. The image is framed by two sides of the closest tower, while the electrical lines extend directly into the distance. Written on the negative is "49-286."

Photograph taken from a side angle showing a man holding three electrical cables. Two of the cables are coated, while one is bare and made up of several smaller cables. Written on the negative is "51-826."

Photograph showing an industrial area with buildings, trains, and electric lines. In the middle of the frame, a dirt road can be seen curving to the right around a large pile of dirt. The utility poles feature multi-tier electric lines throughout the frame. Written on the negative is "50-507."

Photograph of Kendall station, Springwater Division, on 82nd Street. Viewed from between two railroad tracks, the small wooden station building with “Kendall” sign is next to a road and a large transmission line. The name “Geo. Smith Grocer” is written on the side of the larger building.

Negative of a photographic postcard showing a big bolt of lightning in the sky. The lightning illuminates a transmission tower and several power lines in the foreground. Handwriting on negative reads, "Lightning. Christian 11-624."

Photograph showing two men at the top of a wooden utility pole with hard hats, harnesses and tools. They are both facing towards the pole, with trees and buildings visible in the background. Written on the negative is "53-116."

Photograph looking upward, showing a man on a wooden utility pole. He is facing towards the pole with both hands visible, and is looking downwards towards the camera. Electric lines, insulators, and other utility equipment is visible on the poles. Written on the negative is "53-116."

Photograph taken from a side angle, showing a lineman at the top of a utility pole with a hard hat, harness, and tools. He is facing towards the pole, has a cigarette in his mouth, and is using a screwdriver in his right hand. Trees and a building can be seen in the background. Written on the negative is "53-116."

Photograph showing two linemen working on a wooden utility pole, with harnesses, buckets and tools. The man closest to the camera is facing towards the pole and looking down towards the ground. Another lineman is visible in the background, also on a wooden utility pole. Electric lines and utility poles are visible throughout the image, with houses and trees in the background. Written on the negative is "53-116."

Photograph showing two linemen working at the top of a wooden utility pole. They are both wearing hard hats and harnesses, and are looking downwards towards the ground. Below is a street with automobiles and buildings, with trees visible in the distance. Written on the negative is "53-116."

Photograph showing a group of linemen working at the top of a wooden utility pole on a residential street, most likely in Portland. At the base of the pole are several other men in overalls and a utility truck. On the negative is written "49-134."

Photograph showing a man wearing a suit and hat standing next to a dirt road while holding a large hand-painted measuring stick. Another man stands at the opposite side of the street facing the first individual, and two automobiles parked in between. Written on the negative is "49-249."

Photograph showing an unidentified man standing with a newly constructed home. The man stands in the doorway of a garage and is looking to his left towards a large measuring stick. An automobile with an open door is parked in the driveway. Written on the negative is "49-242." (Image note: see related image PGE 49-251).

Photograph showing a man standing next to a newly constructed house holding a large measuring stick. He is holding the object with his right hand and is looking slightly towards his left. Written on the negative is "49-251." (Image note: see related image PGE 49-242).

Photograph showing workers building a transmission tower next to railroad tracks and an open field. One man can be seen climbing the right side of the metal structure, while several others look upward from the ground. In the distance, several mountains with snow can be seen. On the negative is written "49-57."

Photograph showing workers building a transmission tower, taken from ground level. One man can be seen at the top of the metal structure. Next to him, ceramic insulators can be seen attached to ropes. On the negative is written "49-59."

Photograph showing workers building a transmission tower component. Several men holds parts of the structure, while one man on the left side of the frame looks on. In the distance, fences, an open field, and wooden houses can be seen. On the negative is written "49-74."

Photograph showing workers building a transmission tower, taken looking up from ground level. One man can be seen at the top of the metal structure. Under him, ceramic insulators can be seen attached to ropes. On the negative is written "49-58."

Photograph showing a group of suited men standing at the base of a transmission tower, with other utility poles and electrical lines in the background. In the group, the men look towards an individual near the center of the frame. On the negative is written "49-147." (Image note: see related image PGE 49-146).

Photograph showing a group of suited men standing in a field next to a large transmission tower with electric lines extending into the distance. On the negative is written "49-146." (Image note: see related image PGE 49-147).

Photograph looking upward, showing two men holding a large round "Portland General Electric" sign on the side of a metal transmission tower. Also written on the sign is "Bonneville Power Distributor." Written on the negative is "49-308."

Negative of a photographic postcard showing the Mill River Power Plant at the River Mill Dam in Estacada, Oregon. Water from the Clackamas River goes over the spillway in the background. Power lines carry electricity from the plant. Handwriting on negative reads, "Mill River Power Plant - Estacada, Ore. Christian 11-6007."

Power lines line the street outside of the Northwestern Electric Company building on N. Albina between Loring and River Streets. A large grid of power lines to the left of the building.