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Shaft-sinking methods and costs, and cost of plant and equipment at the Macassa Mine, Kirkland Lake, Ontario
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Published Year
1930-1939 (1)
Subject
Mines and mineral resources--Canada--Ontario (1)
Mining engineering (1)
Shaft sinking--Costs (1) *
Shaft sinking--Technique (1)
Author
Howes, G. A. (1) *
Jackson, C. F. (1)