Coal age

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  Año 2011, Vol. 116, Número 4

  • Transport tips

    • Dredging the lower Mississippi

      David Gambrel

      págs. 26-28

      

  • Prep plant profile

    • Mechel Bluestone launches the K2 prep plant

      Lee Buchsbaum

      págs. 30-34

      

  • Haulage & loading preview

    • Haulage & Loading 2011 preview

      Steve Fiscor

      págs. 36-45

      

  • Maintenance

    • Clean machines: Cut operating costs with contamination control

      Russ Carter

      págs. 46-55

      

  • Roof support

    • Can we rely on roof bolters to identify a defective roof?

      Tristan Jones, Gregory M. Molinda

      págs. 56-60

      

  • Coal prep preview 2011

    • Coal prep 2011 expected to draw record numbers of processing professionals

      Steve Fiscor

      págs. 62-76

      

  • Operating ideas

    • West Virginia designs new rescue vehicle

      Lee Buchsbaum

      págs. 78-79