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  1. 1
    Institute on Coal Mine Health and Safety : proceedings.

    Institute on Coal Mine Health and Safety : proceedings.

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  2. 2
    Cutting assembly. [Patent application]

    Cutting assembly. [Patent application]

    Published 1981
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  3. 3
    Characterization of seven United States coal regions. The development of optimal terrace pit coal mining systems

    Characterization of seven United States coal regions. The development of optimal terrace pit coal mining systems

    Published 1981
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  4. 4
    Design, construction, operation, and evaluation of a prototype culm-combustion boiler/heater unit. Quarterly technical progress report, October 1-December 31, 1980

    Design, construction, operation, and evaluation of a prototype culm-combustion boiler/heater unit. Quarterly technical progress report, October 1-December 31, 1980

    Published 1981
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  5. 5
    Synthetic fuels and the environment an environmental and regulatory impacts analysis.

    Synthetic fuels and the environment an environmental and regulatory impacts analysis.

    Published 1980
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  6. 6
    State-of-the-art study of resource characterization and planning for underground coal mining. Final technical report as of June 30, 1980

    State-of-the-art study of resource characterization and planning for underground coal mining. Final technical report as of June 30, 1980

    Published 1980
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  7. 7
    Development of optimal terrace pit coal mining systems. Technical progress report, April 1980. Report No. TPR-80-4

    Development of optimal terrace pit coal mining systems. Technical progress report, April 1980. Report No. TPR-80-4

    Published 1980
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  8. 8
    Competitive effects of introduced annual weeds on some native and reclamation species in the Powder River Basin, Wyoming

    Competitive effects of introduced annual weeds on some native and reclamation species in the Powder River Basin, Wyoming by Allen, E.B, Knight, D.H

    Published 1980
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  9. 9
    Effects of long-term coal supply contracts on technology adoption and improvements in the mining of coal. Final technical report

    Effects of long-term coal supply contracts on technology adoption and improvements in the mining of coal. Final technical report by Hawkins, S.A, Walton, D.R, Webb, P.F, Kauffman, P.W

    Published 1979
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  10. 10
    Coal-conversion technologies some health and environmental effects.

    Coal-conversion technologies some health and environmental effects.

    Published 1979
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  11. 11
    Survey of nine surface mines in North America. [Nine different mines in USA and Canada]

    Survey of nine surface mines in North America. [Nine different mines in USA and Canada] by Hayes, L.G, Brackett, R.D, Floyd, F.D

    Published 1981
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  12. 12
    Face haulage equipment failure analysis. Volume II. Computer sort results and user's manual. Final technical report as of November 30, 1980. [No text; Data and user's manual only]

    Face haulage equipment failure analysis. Volume II. Computer sort results and user's manual. Final technical report as of November 30, 1980. [No text; Data and user's manual only] by Patterson, W.N, Orona, F.

    Published 1980
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  13. 13
    Face haulage equipment failure analysis. Volume I. Technical information and conclusions. Final technical report as of November 30, 1980

    Face haulage equipment failure analysis. Volume I. Technical information and conclusions. Final technical report as of November 30, 1980 by Patterson, W.N, Orona, F.

    Published 1980
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  14. 14
    Development of optimal terrace pit coal mining systems. Technical progress report, October 1- October 31, 1979

    Development of optimal terrace pit coal mining systems. Technical progress report, October 1- October 31, 1979

    Published 1979
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  15. 15
    Underground trials of a diesel-powered face haulage vehicle. Final technical report as of November 15, 1979

    Underground trials of a diesel-powered face haulage vehicle. Final technical report as of November 15, 1979 by Gunderman, R.J

    Published 1979
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  16. 16
    Determinants of coal mine labor productivity change. [1950 to 1977]

    Determinants of coal mine labor productivity change. [1950 to 1977] by Baker, J. G., Stevenson, W. L.

    Published 1979
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  17. 17
    Development and fabrication of a dragline training system. Technical progress report, No. 1 (phase 1 final report)

    Development and fabrication of a dragline training system. Technical progress report, No. 1 (phase 1 final report)

    Published 1979
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  18. 18
    National Coal Utilization Assessment. a preliminary assessment of the health and environmental effects of coal utilization in the Midwest. Volume I. Energy scenarios, technology characterizations, air and water resource impacts, and health effects

    National Coal Utilization Assessment. a preliminary assessment of the health and environmental effects of coal utilization in the Midwest. Volume I. Energy scenarios, technology ch...

    Published 1977
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  19. 19
    Report for the year ending June 30..

    Report for the year ending June 30..

    Published 1952
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    Serial
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  20. 20
    Design of longwall mining system

    Design of longwall mining system

    Published 1979
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