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Major Matthews collection Coquitlam (B.C.) With digital objects
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[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.

Buntzen-Coquitlam hydro-electric development - Key map

Photograph negative is a copy of a technical drawing showing profiles of hydraulic tunnels for the Coquitlam Dam and the Buntzen Lake Power Plant number two; and of a map showing the Lower Mainland area. Negative was created in order to produce lantern slides of the two images.

[Three view of Coquitlam Dam construction]

Photograph negative is a copy of three photograph prints, showing: upstream side of original dam, showing bridge across spillway of dam, construction of flume trestle, and camp buildings; upstream view of construction of new dam, showing trestle supports for flumes, gatehouse for river diversion valves, diversion channel, and cableway tower; and view of construction from east end, showing camp buildings, diversion channel, cable from cableway, and riprap on upstream face of dam. Negative created in order to produce lantern slides of the three images.

[Three views of Coquitlam Dam construction]

Photograph negative is a copy of three photograph prints, showing: view of upstream side of dam; view along centre line of dam; and view of downstream side of dam. Negative was created in order to produce lantern slides of the three images.

[Four views of Coquitlam Dam construction]

Photograph negative is a copy of four photograph prints, showing: downstream side of dam, showing concrete encased New Westminster water main; and three views of the new Westminster Water Works intake tower. Negative was created in order to produce lantern slides of the four images.

[Four views of Coquitlam Dam construction]

Photograph negative is a copy of four photograph prints, showing: upstream view of dam site, showing diversion channel in foreground and camp buildings in distance; timber on shores of Coquitlam Lake; partially cleared shores of Coquitlam Lake, up to the new high water level; and a boat building shed on the west side of Coquitlam Lake, upstream from the dam site. Negative created in order to produce lantern slides of the four images.

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