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Canal and power house, Michigan Lake Superior Power Co., Sault Ste. Marie, Mich.
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Controlling gates of canal, Michigan Lake Superior Power Co., Sault Ste. Marie, Mich.
Power house with canal, Michigan Lake Superior Power Co., Sault Ste. Marie, Mich.
Power house with canal, Michigan Lake Superior Power Co., Sault Ste. Marie, Mich.