Research Catalog

  • Surface testing and evaluation of the multiple-unit continuous haulage system / by Jasinder S. Jaspal, Lee A. Erhard, and William D. Mayercheck.

    • Text
    • Washington, D.C. (2401 E St., N.W., MS #9800, Washington 20241) : U.S. Dept. of the Interior, Bureau of Mines, 1989.
    • 1989
  • Surface testing and evaluation of the hopper-feeder-bolter / by Robert J. Evans, William D. Mayercheck, and Joseph L. Saliunas.

    • Text
    • Pittsburgh, Pa. : U.S. Dept. of the Interior, Bureau of Mines, 1988.
    • 1988
  • Coal extraction, transport, and logistics technology for underground mining / by Robert J. Evans and William D. Mayercheck.

    • Text
    • Pittsburgh, Pa. : U.S. Dept. of the Interior, Bureau of Mines, 1988.
    • 1988
  • Flywheel-powered shuttle car / by John R. Bartels, William D. Mayercheck, and Jon A. Hummer.

    • Text
    • Washington, D.C. (2401 E St., N.W., MS #9800, Washington 20241) : U.S. Dept. of the Interior, Bureau of Mines, 1991.
    • 1991

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