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 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 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 incomplete interior of the powerhouse building at the Little Sandy Dam. Near the center of the frame, a man stands with folded arms looking towards the camera. Wooden scaffolding is visible throughout the image. In the background, a hillside of dirt and debris can be seen outside the building. Written on the negative is “E301-0-3405.” (Image note: discoloration visible at the right side of the frame).

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 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 looking into wooden penstock at Bull Run.

Photograph looking into penstock tunnel at Bull Run. Wooden structure and train tracks visible down length of tunnel.

Photograph showing interior of wooden and steel structure of flume 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 Bull Run powerhouse surrounded by scaffolding.

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 showing a cable car, with four men looking at the camera. Two of the men stand on the train while two stand in front. A large sign behind the train reads “Henry the Fourth, Choicest Havana Cigars.” On the side of the train is written “Portland Railway Company” and “Alder, Fifth, Jefferson and Chapman Sts.” The photograph is a reproduction of a pinned image (pins can be seen on the frame)

Photograph showing cable car function at Jefferson and Chapman. Three cable cars and numerous individuals are visible. In the background, several wooden houses can be seen. On the front of the center car is written “Portland Heights” and on the side of the rightmost train “Alder, Fifth, Jefferson, and Chapman.” The photograph is a reproduction of a pinned image (pins can be seen on the frame) with the caption “Junction Pt. At Chapman and Jefferson 15 years ago – All cable cars.”

Photograph showing a cable car during the “Great Flood of Portland” in 1894. Several men and women sit in the car, and four men stand in the water, all looking at the camera. On the right side, a woman and a baby are visible. The photograph is a reproduction of a pinned image (pins can be seen on the frame), and the caption reads “Photos, of the Great Flood of Portland, Or. June 4th 1894.” Also on the caption is written “Pro. G. L. Eastman Cor, First and Taylor Streets.”

Photograph of car #1500 in front of crematorium entrance next to train track. Likely Portland Memorial Mausoleum.

Photograph of car #642 with conductor and other individual at front of train. Car is traveling on train track with small dome building visible in background.

Photograph of street car #700, with conductor standing at front window pointing straight. Written on the front of the train is a sign saying “Portland Car Service is Unsurpassed,” and “Sellwood” is indicated at the top. A small kiosk building is visible on the right side of the frame. The photograph is a reproduction of a pinned image (pins can be seen on the frame), with the caption “Modern P-A-Y-E Car.”

Photograph showing buildings and electric Carnation Milk sign, likely taken near SW 6th Ave and SW Pine St. A building with “Stubbs Electric Company” written on the front can be seen to the left. The large electrified sign is mounted on a large stone building.

Photograph showing the Cazadero Dam flume running into the distance. Trees (possible burned) can be seen on both sides of the (excavated?) canal.

Photograph looking downriver, showing a bridge above the dam and lodge (building visible on left at top of hill). Another wooden building is visible next to the lodge, and the river continues around a bend into the distance.

Photograph showing construction at Cazadero Dam. The Clackamas River can be seen flowing on the right side. Ice formations are on the hillside to the left, and snow and frost can be seen on the wooden dam structure.

Photograph showing construction of Cazadero Dam. Several workers can be seen in the distance at the top of a stacked wooden dam structure, with a dirt hillside above. The Clackamas River is visible at the bottom of the dam, and trees (possibly burnt) can be seen at the top of the hill.

Photograph showing construction at Cazadero Dam. The Clackamas River can be seen flowing through the bottom of the dam, and trees are visible on the hillside in the distance. (Image note: similar to PGE7-6, but appears to show further stage of completion).

Photograph showing construction at Cazadero Dam. The Clackamas River can be seen flowing through the bottom of the dam, and trees are visible on the hillside in the distance.

Photograph showing the Cazadero Dam during a flood, before the placement of a new apron. Fast flowing water spills over the dam.

Photograph of the lodge building at Cazadero Dam/Station G showing exterior features. Several rocking chairs can be seen on the porch, and foliage grows on the wooden support beams.