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Roof rock structures and related roof support problems in the Pittsburgh coalbeds of southwestern Pennsylvania

Moving longwall shield supports at the York Canyon mine, Raton, N. Mex.

Effects of time between exposure and support on mine roof stability, Bear Coal Mine, Somerset, Colo.

Wood precharring :a novel fire-retardancy technique

Published Year

• 1970-1979 (4) *

Subject

• Mine timbering (4) *
• Coal mines and mining--New Mexico--Raton (1)
• Coal mines and mining--Safety measures (1)
• Coal--Geology--Pennsylvania--Pittsburgh coalbed (1)
• Fire resistant materials (1)
• Fireproofing agents (1)
• Fireproofing of wood (1)
• Mine roof bolting (1)
• Mining engineering (1)
• Rock mechanics (1)

Author

• Chaiken, Robert F., (1)
• Lee, Calvin K. (1)
• Moebs, Noel N. (1)
• Oitto, Richard H. (1)
• Radcliffe, Daryl E. (1)
• Sikes, William E, (1)
• Singer, Joseph M., (1)
• Stateham, Raymond M., (1)
• Wisecarver, David W., (1)

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