Research Catalog

  • Influence of subjacent gob on longwall development mining in the Upper Kittanning Coalbed of south-central Pennsylvania [microform] / by E.R. Bauer, G.J. Chekan, and G.P. Sames.

    • Text
    • Washington, D.C. : Bureau of Mines, U.S. Dept. of the Interior, 1992.
    • 1992
  • Geotechnical aspects of roof and pillar stability in a Georgia Talc Mine [microform] / by Noel N. Moebs and Gary P. Sames.

    • Text
    • Washington, DC : U.S. Dept. of the Interior, Bureau of Mines, 1992.
    • 1992
  • Leakage across a bituminous coal mine barrier / by Noel N. Moebs and Gary P. Sames.

    • Text
    • Washington, D.C. : U.S. Dept. of Interior, Bureau of Mines, 1989.
    • 1989

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