Showing 1 - 3 results of 3 for search '"Coal mines and mining United States."', query time: 5.08s Refine Results
  1. 1
    Remote reset systems for continuous mining machines used in extended cuts

    Remote reset systems for continuous mining machines used in extended cuts by United States. Bureau of Mines

    Subjects: “…Coal mines and mining United States Equipment and supplies.…”
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  2. 2
    Design practices for multiple-seam room-and-pillar mines

    Design practices for multiple-seam room-and-pillar mines by United States. Bureau of Mines

    Subjects: “…Coal mines and mining United States Designs and plans.…”
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  3. 3
    Navigation and control of continuous mining systems for coal mining

    Navigation and control of continuous mining systems for coal mining by United States. Bureau of Mines

    Subjects: “…Coal mines and mining United States Equipment and supplies.…”
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