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  1. 1
    Instructions, cutthrough.

    Instructions, cutthrough.

    Published 1989
    Government Document Book
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  2. 2
    Rock mechanics investigations at the Lucky Friday Mine

    Rock mechanics investigations at the Lucky Friday Mine

    Published 1992
    Connect to online resource
    Connect to online resource
    Government Document Microfilm Book
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  3. 3
    Rigid-body and elastic solutions to shield mechanics /

    Rigid-body and elastic solutions to shield mechanics / by Barczak, Thomas M.

    Published 1987
    Government Document Book
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  4. 4
    Determining face methane-liberation patterns during longwall mining /

    Determining face methane-liberation patterns during longwall mining / by Cecala, Andrew B.

    Published 1985
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  5. 5
    Safety evaluations of longwall roof supports /

    Safety evaluations of longwall roof supports / by Barczak, Thomas M.

    Published 1989
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  6. 6
    Guidelines for the prediction and control of methane emissions on longwalls

    Guidelines for the prediction and control of methane emissions on longwalls

    Published 2008
    Online Access
    Government Document Electronic eBook
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  7. 7
    Updated Analysis of Longwall Pillar Stability (ALPS) computer program incorporates new Coal Mine Roof Rating (CMRR)

    Updated Analysis of Longwall Pillar Stability (ALPS) computer program incorporates new Coal Mine Roof Rating (CMRR)

    Published 1995
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    Online Access
    Government Document Electronic eBook
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  8. 8
    Interactions between multiple seam longwall and room-and-pillar operations : a case study in Boone County, WV /

    Interactions between multiple seam longwall and room-and-pillar operations : a case study in Boone County, WV / by Chekan, G. J. (Gregory J.)

    Published 1990
    Government Document Book
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  9. 9
    Enhanced gob gas recovery.

    Enhanced gob gas recovery. by Brunner, Daniel

    Published 2000
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    Government Document eBook
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  10. 10
    Examination of design and operation practices for longwall shields /

    Examination of design and operation practices for longwall shields / by Barczak, Thomas M.

    Published 1992
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  11. 11
    Investigation of dust sources and control technology for longwall plow operations /

    Investigation of dust sources and control technology for longwall plow operations / by McClelland, John J.

    Published 1988
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  12. 12
    Dust control on longwall shearers using water-jet-assisted cutting /

    Dust control on longwall shearers using water-jet-assisted cutting / by Taylor, Charles D. (Charles Darrell), 1946-

    Published 1986
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  13. 13
    Shield-loading studies at an eastern Appalachian minesite /

    Shield-loading studies at an eastern Appalachian minesite / by Barczak, Thomas M.

    Published 1987
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  14. 14
    Modified longwall mining with German coal planers : summary of operations at five coal mines /

    Modified longwall mining with German coal planers : summary of operations at five coal mines / by Haley, Wilbur A.

    Published 1957
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  15. 15
    Analysis and design considerations for superimposed longwall gate roads /

    Analysis and design considerations for superimposed longwall gate roads / by Chekan, G. J. (Gregory J.)

    Published 1992
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  16. 16
    Longwall Gallery

    Longwall Gallery

    Published 2003
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    Online Access
    Government Document Electronic Video
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  17. 17
    Modified longwall mining with a German coal planer (plow) in the Pocohontas No. 4 coal bed, Helen, W. Va. /

    Modified longwall mining with a German coal planer (plow) in the Pocohontas No. 4 coal bed, Helen, W. Va. / by Haley, Wilbur A.

    Published 1952
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  18. 18
    Modified longwall mining with a German coal planer : progress report 2. Completion of mining in three adjacent panels in the Pocahontas no. 4 bed, Helen, W. Va. /

    Modified longwall mining with a German coal planer : progress report 2. Completion of mining in three adjacent panels in the Pocahontas no. 4 bed, Helen, W. Va. / by Haley, Wilbur A.

    Published 1954
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  19. 19
    Translucent face partition reduces longwall workers' dust exposure

    Translucent face partition reduces longwall workers' dust exposure

    Published 1994
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    Online Access
    Government Document Electronic eBook
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  20. 20
    Improving the performance of longwall gob gas ventholes

    Improving the performance of longwall gob gas ventholes

    Published 1995
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    Online Access
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