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    Black and white photo showing the launching of the cofferdam crib at Ear Falls Power Plant, March 25, 1947., Cofferdam - A void or empty space separating two or more compartments for the purpose of p

    View of the switching structure of the Ear Falls Generating Station, August 1930.

    Ear Falls generating station camp quarters and dining hall on the right.

    Black and white photo of the office building for Ear Falls Generating Station.

    Black and White photo of No. 1 generator, Ear Falls, Ont. May 30th.

    Lifting a boom at the generating station during 1940's. The man in the photo is unidentified.

    Transformer yard, Ear Falls, Ontario, March 24, 1975.

    Unidentified men assembling the 'exciter' at the generating plant. The exciter is used to regulate voltage of the power from the generating station.

    Photo showing bank above Erection Bay, Ear Falls Generating Station, Unit #4.

    Aerial view of Lac Seul Hydro Dam looking south, 1940's, Ear Falls Ontario. Work on this project began in the summer of 1928 and was completed in the spring of 1929.

    The rapid development of mines in the vicinity of Red Lake made it necessary to install another unit on the English River system. It was also necessary to redesign the electrical control and protecti

    Operating headgates, August 27, 1935.

    Line to water rheostat F. P. I. November 2, 1930. A rheostat is a continously variable resistor used to regulate the current.

    Photo showing concrete forms used in Dev #4 of the Lac Seul Dam construction. Regular conduits of concrete were built instead of wood stave pipes. The wood pipes had been used in the first two units

    Black and white photo of the inside of the tunnel at Ear Falls Generating Station Unit #4, May 5 1946.

    Black and white photo of lowering of the rotor at the Ear Falls Generating Plant, Unit #4 May 27, 1948.

    Photo shows the emergency exit at the Ear Falls Generating Station, September 12, 1942.

    Photo of the emergency exit, Lac Seul/Ear Falls generating station, September 12, 1942.

    Unidentified men shown lifting the boom at the generating station in Ear Falls, Ontario..

    Ear Falls Generating Station during high water, Oct. 9 1941.