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A comparison of borer, ripper, and conventional mining products in Illinois No. 6 seam coal

Influence of surface-active chemicals on drilling and fracturing rock

In situ leaching research in a copper deposit at the Emerald Isle mine

Published Year

• 1970-1979 (3) *

Subject

• Boring (1)
• Coal--Illinois--Analysis (1)
• Coal-handling (1)
• Copper ores (1)
• Leaching (1)
• Mining engineering (1)
• Mining engineering--Illinois (1)

Author

• Engelmann, William H. (3) *
• Chamberlain, Peter G. (1)
• D'Andrea, Dennis V. (1)
• Fletcher, Larry R. (1)
• Fumanti, R. R. (1)
• Johnson, D. I. (1)
• Larson, William C. (1)
• Savanick, G. A. (1)
• Schmidt, Robert L. (1)
• Tweeton, Daryl R. (1)

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