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Trace-Element Geochemistry of Coal Resource Development Related to Environmental Quality and Health (1980) / Chapter Skim
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APPENDIX B: ENERGY CONTENT OF COAL FLOWS IN THE UNITED STATES IN 1975, BY REGION AND PROCESS
Pages 124-124

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From page 124...
... Coal magnitude inputs for extraction are obtained by dividing outputs by extraction efficiencies and are shown in parentheses. Extraction efficiencies given by Hittman Associates (1977)
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Key Terms

  • surface central
  • extraction efficiencies
  • dividing outputs
  • magnitude inputs
  • central appalachia

  • coal magnitude
  • hittman associates
  • surface northwest
  • bfor extraction
  • northwest southwest

  • auger northern


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