Dam construction

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Dam construction

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Dam construction

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Dam construction

28 Collections results for Dam construction

28 results directly related Exclude narrower terms

Oak Grove project, floor under unit #1

Photograph taken from a high angle looking downward at floor construction for the Oak Grove powerhouse. Wood, pipes, and metal framework can be seen in the floor, while workers can be seen throughout the image. A man is standing on a section of floor with a wooden circle, next to a tripod total station (Image note: deterioration can be seen on the negative along the bottom edge).

Oak Grove project, placing first concrete in powerhouse

Photograph taken from a high angle looking downward at the Oak Grove powerhouse site, showing the first cement being placed. Several men are gathered around the bottom section of a wooden chute extending towards a floor with metal framework. The Oak Grove Fork of the Clackamas River is visible in the background. (Image note: deterioration can be seen on the bottom left corner of the negative).

Oak Grove project, looking upstream from powerhouse

Photograph looking upstream and downward at the Oak Grove powerhouse during construction. Wood and metal framework, and men working, can be seen throughout the site, with piles of dirt and lumber in the background. On the left side of the image is a metal bucket attached to a hook and pulley. In the background is the Oak Grove Fork of the Clackamas River.

Oak Grove project, powerhouse

Photograph showing the Oak Grove powerhouse during construction. The Oak Grove Fork of the Clackamas River can be seen running alongside the building area, while a large pipe and possible flume extend uphill from the structure. A wooden trestle is also visible on the hillside above the building.

Oak Grove project, group standing on pipe at lower portal of tunnel #2

Photograph showing a group of men standing on large pipes. The men at the right of the frame look towards the camera, and are wearing hats with suit vests or dress shirts. They are Clark, Franklin T. Griffith, Fuller, Caldwell, and Osborne. Four men can be seen on the left side of the frame with tools, leaning towards the pipe work. A tunnel entrance can be seen in the background.

Oak Grove project, closing of gates at dam

Photograph showing a cement dam on the Oak Grove Fork of the Clackamas river, captured immediately after closing for the first time. Water can be seen at the base of the dam to the front, with four men visible to the right. Uphill from the dam structure, other wooden structures can be seen. (Image note: see related image PGE 16-927).

Oak Grove project, water filling pond less than one hour after closing dam

Photograph showing a cement dam on the Oak Grove Fork of the Clackamas River, with a noticeable water pool in front of the dam structure. A man seated on a platform can be seen over the water on the right side of the image, with submerged pieces of wood to the left. Negative sleeve notes “less than one hour after filling.” (Image note: see related image PGE 16-903).

Cazadero Dam, construction

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).

Cazadero Dam, construction

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.

Portland General Electric Photograph Collection

  • Org. Lot 151
  • Collection
  • 1880 - 1965

Negatives documenting company activities, including electrical infrastructure, employees, power generation and distribution throughout Portland, the Willamette Valley and the Oregon Cascade Range. Additional general images include streetcars and trains, street lighting, power line installation, Rose Festival floats, office buildings, car barns and bridges. Of particular note are dam building projects at Bull Run and along the Clackamas River (1910-1930), and early electric stations in Oregon City at Willamette Falls.

Portland General Electric Company