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Power house with canal, Michigan Lake Superior Power Co., Sault Ste. Marie, Mich.
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Canal from end of rock cut, Michigan Lake Superior Power Co., Sault Ste. Marie, Mich.
Controlling gates of canal, Michigan Lake Superior Power Co., Sault Ste. Marie, Mich.
Controlling gates of canal, Michigan Lake Superior Power Co., Sault Ste. Marie, Mich.