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Major Matthews collection Coquitlam (B.C.) Tunnels With digital objects
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Coquitlam Dam [showing] east bank of river downstream from dam site
Coquitlam Dam [showing] east bank of river downstream from dam site
Coquitlam Dam [showing] entrance cut to sluice tunnel
Coquitlam Dam [showing] entrance cut to sluice tunnel
Coquitlam Dam view of lower entrance cut to sluice tunnel
Coquitlam Dam view of lower entrance cut to sluice tunnel
Coquitlam dam showing headworks cut, rock placed in upstream toe wall and shaft No. 1 on Westmins...
Coquitlam dam showing headworks cut, rock placed in upstream toe wall and shaft No. 1 on Westminster Tunnel line
Lake Buntzen tunnel enlargement
Lake Buntzen tunnel enlargement
Lake Buntzen tunnel enlargement
Lake Buntzen tunnel enlargement
Lake Buntzen tunnel enlargement [showing] "mucking crew" boring sown rock from roof of ...
Lake Buntzen tunnel enlargement [showing] "mucking crew" boring sown rock from roof of enlarged portion of tunnel
Lake Buntzen tunnel enlargement [showing] "stoping" roof to take off low points
Lake Buntzen tunnel enlargement [showing] "stoping" roof to take off low points
Lake Buntzen tunnel enlargement [showing] "stoping" roof to take off low points
Lake Buntzen tunnel enlargement [showing] "stoping" roof to take off low points
Lake Buntzen tunnel enlargement [showing] drilling close to 9 foot coffin valve at Coquitlam end
Lake Buntzen tunnel enlargement [showing] drilling close to 9 foot coffin valve at Coquitlam end
Lake Buntzen tunnel enlargement [showing] train load of "muck" leaving tunnel
Lake Buntzen tunnel enlargement [showing] train load of "muck" leaving tunnel
Lake Buntzen tunnel enlargement [showing] train load of "muck" leaving west portal
Lake Buntzen tunnel enlargement [showing] train load of "muck" leaving west portal
Lake Buntzen tunnel enlargement [showing] train load of miners returning to tunnel after dinner
Lake Buntzen tunnel enlargement [showing] train load of miners returning to tunnel after dinner
Lake Buntzen tunnel enlargement looking west from end of siding
Lake Buntzen tunnel enlargement looking west from end of siding
Lake Buntzen tunnel enlargement showing Mr. G.S. Binkley's method
Lake Buntzen tunnel enlargement showing Mr. G.S. Binkley's method
Lake Buntzen tunnel enlargement showing portion enlarged by Messrs. Hermon and Burwell near west ...
Lake Buntzen tunnel enlargement showing portion enlarged by Messrs. Hermon and Burwell near west portal
West end portal of hydraulic tunnel on cliff above No. 2 power plant - at early stage of excavation
West end portal of hydraulic tunnel on cliff above No. 2 power plant - at early stage of excavation
[Men digging diversion tunnel through rock bluff at east end of Coquitlam Dam site]
[Men digging diversion tunnel through rock bluff at east end of Coquitlam Dam site]
[Two views of Coquitlam Dam and Buntzen Lake Power Plant number two construction]
[Two views of Coquitlam Dam and Buntzen Lake Power Plant number two construction]
[Water flowing from diversion tunnel through rock bluff at east end of Coquitlam Dam site]
[Water flowing from diversion tunnel through rock bluff at east end of Coquitlam Dam site]