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Accuracy in estimating metal content and tonnage of an ore body from diamond-drill-hole data

Published Year

• 1960-1969 (1)

Subject

• Boring (1)
• Diamond drilling (1) *
• Ores--Sampling and estimation (1)
• Rock-drills (1)

Author

• Koch, George S., (1) *
• Link, Richard F., (1)

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