1. 1
   An investigation of the coals of Canada with reference to their economic qualities

   由 Porter, John Bonsall, 1861-
   出版 1912

   Ottawa, Government printing bureau, 1912-15.

   7v. plates (part fold.) fold. maps, plans (part fold.) fold. tables. diagrs. (part fold.) 26cm.

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2. 2
   The manufacture, consumption and production of iron, steel, and coal in the Dominion of Canada : with some notes on the manufacture of iron, and on the iron trade, in other countri...

   由 Bartlett, James Herbert
   出版 1885

   Montreal : Dawson Brothers, 1885.

   viii, 167 p. ; 25 cm.

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