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Studies of roof movement in coal mines.

Studies of roof movement in coal mines.

Cementation of bituminous-coal-mine roof strata.

Cementation of bituminous-coal-mine roof strata :injection of epoxy and polyester-type resins

Use of sonic techniques in exploring coal-mine roof strata :a progress report

Analysis of cutter roof failure induced by clastic dikes in an underground coal mine

Published Year

• 1930-1939 (1)
• 1940-1949 (1)
• 1950-1959 (2)
• 1960-1969 (1)
• 1980-1989 (1)

Subject

• Coal mines and mining (6) *
• Mine roof control (6) *
• Clay veins (1)
• Epoxy resins (1)
• Sonar (1)

Author

• Maize, Earl R. (4)
• Greenwald, H. P. (2)
• Bauer, Eric R. (1)
• Hill, John L. (1)
• Miller, Thomas C. (1)
• Mongan, Charles E., (1)
• Oitto, Richard H. (1)
• Thomas, Edward. (1)
• Wallace, Joseph J. (1)

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