Collection search - Great Lakes Power Co. [Company] given extension of time to 1918/12/31 to complete compensating works - Canadian side of boundry at head of St Mary's Falls Sault St Marie River and amendt. [amendment] of Sills O. C. [Order in Council] 1914/03/05 amended according by - M. P. W. [Minister of Public Works] 1917/11/16

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