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Bonneville Dam (Or. and Wash.) black-and-white negatives
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Bonneville Power Plant. Columbia River Highway, Oregon

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."

Christian (Photographer)

Bonneville Dam - Oregon - Washington

Negative of a photographic postcard showing an aerial view of the Bonneville Dam on the Columbia River in the Columbia River Gorge. Water rushes out of the spillway gates, also known as floodgates, of the dam. View looks east past the dam and up the river. Handwriting on negative reads, "Bonneville Dam - Oregon - Washington. Christian 11-625." Number printed in bottom right corner: 112189

Christian (Photographer)

Cofferdam at Bonneville Dam

A two cranes on a packed-earth platform are in the process of removing a cofferdam around Bonneville Dam. The cofferdam was installed to clear water during a project to replace baffles at the base of the dam (negative 1 of 8).

Monner, Al (Alfred Anthony), 1909-1998

Bonneville Dam - Fish Ladder

Negative of a photographic postcard showing the Bonneville Dam and a fish ladder in the foreground. Water rushes through the open spillway gates, also known as floodgates, of the dam on the Columbia River. There is a large mountain in the background. Handwriting on negative reads, "Bonneville Dam - Fish Ladder." There are markings near the top of the negative.

Christian (Photographer)

Generators - Bonneville Dam

Negative of a photographic postcard showing the generators at the Bonneville Dam. The generators are circular machines lined up in a large open room. Handwriting on negative reads, "Generators - Bonneville Dam. Christian 11-623."

Christian (Photographer)

Cofferdam at Bonneville Dam

Baffles on the front of Bonneville Dam exposed by low water behind a cofferdam. The cofferdam was installed to clear water during a project to replace baffles at the base of the dam (negative 4 of 8).

Monner, Al (Alfred Anthony), 1909-1998

Cofferdam at Bonneville Dam

A man in a hardhat stands holding a metal cable beside the top of a cofferdam. Bonneville dam is visible in the background. The cofferdam was installed to clear water during a project to replace baffles at the base of the dam (negative 6 of 8).

Monner, Al (Alfred Anthony), 1909-1998