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

Survey of practices in controlling roof at intersections and junctions in underground coal mines

The combined effects of friction and suspension in bolting bedded mine roof

The effect of suspension in bolting bedded mine roof

Published Year

• 1960-1969 (4) *

Subject

• Mine roof control (4) *
• Mine roof bolting (2)
• Coal mines and mining (1)
• Coal mines and mining--Safety measures (1)
• Mine roof bolting--Testing (1)
• Sonar (1)

Author

• Panek, Louis Anthony, (2)
• Miller, Thomas C. (1)
• Mongan, Charles E., (1)
• Stahl, R. Ward. (1)

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