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Basic estimated capital investment and operating costs for coal strip mines :revision of information circular 8661

Published Year

• 1970-1979 (1)

Subject

• Bituminous coal--Estimates and costs (1)
• Coal mines and mining--Cost of operation (1) *
• Strip mining--Cost of operation (1)

Author

• Berkshire, L. H., (1) *
• Hemingway, E. L., (1)
• Katell, Sidney (1)

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