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Shaft-sinking methods and costs and cost of plant and equipment at the Fad shaft, Eureka Corp., Ltd., Eureka, Nev.
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Published Year
1940-1949 (1)
Subject
Mining engineering (1) *
Shaft sinking--Costs (1)
Shaft sinking--Technique (1)
Author
Johnson, A. C. (1)
Mitchell, George W. (1) *