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15 for
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Hydroelectric power plants
Dam project on Madawaska River, Arnprior, Ontario
2/21/1974
Dam project on Madawaska River, Arnprior, Ontario
2/21/1974
The Arnprior dam project, Madawaska river. Arnprior, Ontario
2/21/1974
Hydro employee B.D. Potts looks over newly built spillway, Arnprior, Ontario
2/21/1974
Workmen fixing anchor bolts in the rock, Arnprior, Ontario
2/21/1974
Report re Humber River watershed
10/29/1900
Selling power: Hydro-Quebec chief Richard Drouin says most of the $50 billion the utility plans to raise will go for northern projects and improving transmission
3/21/1991
Niagara power house entrance, Floodwater gouged out this 12-foot hole in the jam ice which almost buries the Ontario Power Co. plant below the Horsesh(...)
2/1/1938
Canada - Ontario - Niagara Falls - Power Plants
n.d.
Canada - Ontario - Niagara Falls - Power Plants
3/30/1928
Canada - Ontario - Niagara Falls - Power Plants
4/1/1938
Niagara power houses face big loss from ice jam, Emergency crews are on duty at all Niagara River powerhouses to fight the worst ice jam since 1909
1/26/1938
What Niagara's ice did is one power house, This exclusive picture, the first one taken, graphically shows what the ice did to the interior of the old (...)
1/29/1938
New floes sweep over falls to add weight to jam squeezing 700-foot building, Ice blocks are pouring over the Horseshoe Falls at Niagara again to-day as rising winds blow down Lake Erie
1/29/1938
Hydro transformer station, Millwood Road, east side, between Village Station Road and Overlea Boulevard, Toronto, Ontario
8/21/1928
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