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Water Powers of Canada ...
Canada. Dominion Water Power Branch
Canada. Department of the Interior. Water Power Branch
George Robert Graham Conway
Percival H. Mitchell
Henry Girdlestone Acres
Frederick Thomas Kaelin
Kenneth Harold Smith
出版
Ottawa
, 1916
URL
http://books.google.com.hk/books?id=G599AAAAIAAJ&hl=&source=gbs_api