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Comparative laboratory evaluation of resin-grouted roof bolt elements

Improved underground rerailing apparatus

Protective structures for low-coal shuttle car operator

Integrated compartment-machine design for low-coal shuttle cars

Published Year

• 1980-1989 (4) *

Subject

• Coal mines and mining--Safety measures (1)
• Mine haulage--Safety measures (1)
• Mine railroad cars--Safety measures (1)
• Mine railroads--Accidents (1)
• Mine railroads--Equipment and supplies (1)
• Mine roof bolts, Resin--Testing (1)
• Shuttle cars (Mine haulage)--Safety measures (1)

Author

• Bartels, John R. (4) *
• Kwitowski, August J. (2)
• Mayercheck, William D. (2)
• Pappas, Deno M. (1)

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