Dick, W. J.

Conservation of coal in Canada, with notes on the principal coal mines / by W.J. Dick ; Commission of Conservation Canada, Committee on Minerals.  Toronto : Bryant Press, 1914. xii, 212 pages : illustrations, (fold. maps) plans, diagrs. ;

Canada. Commission of conservation. Committee on minerals
Canada. Commission of conservation. Committee on minerals.

Coal — Canada
Coal trade — Canada.

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