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Coquitlam (B.C.)
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[Four views of Coquitlam Dam construction]

Photograph negative is a copy of four photograph prints, showing: hydraulic monitors sluicing materials to build up dam; partially cleared area at the shore of Coquitlam Lake, before the raising of water levels; downstream view of construction of original dam; and flumes and trestles used in dam construction. Negative was created in order to produce lantern slides of the four images.

[Headgate valve house for Coquitlam Dam]

Photograph shows building containing valves used to control the outflow from the lake during dam construction. Photograph also shows rock cut for the permanent overflow spillway, and the riprap facing of the upstream side of the dam.

[Headgate valve house for Coquitlam Dam]

Photograph shows building containing valves used to control the outflow from the lake during dam construction. Photograph also shows rock cut for the permanent overflow spillway, and the riprap facing of the upstream side of the dam.

[Headgate valve house for Coquitlam Dam]

Photograph shows building containing valves used to control the outflow from the lake during dam construction. Photograph also shows rock cut for the permanent overflow spillway, and the riprap facing of the upstream side of the dam.

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