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  1. 1
    Proceedings of the third Pennsylvania Mineral Industries Conference, Coal Section.
    Published 1934
    Subjects: “...Coal mines and mining Pennsylvania....”
    Conference Proceeding Book
  2. 2
    Atlas of Pennsylvania coal and coal mining /
    by Deasy, George F.
    Published 1959
    Subjects: “...Coal mines and mining Pennsylvania....”
    Book
  3. 3
    The way winter works : poems /
    by Humes, Harry
    Published 1990
    Subjects: “...Coal mines and mining Pennsylvania Poetry....”
    Government Document Book
  4. 4
    Size scaling of gas explosions : Bruceton Experimental Mine versus the Lake Lynn Mine /
    by Sapko, M. J.
    Published 1987
    Subjects: “...Coal mines and mining Pennsylvania Dust control....”
    Government Document Book
  5. 5
    Bituminous coal losses and mining methods in Pennsylvania : including thickness, character, and reserves of coal /
    Subjects: “...Coal mines and mining Pennsylvania....”
    Book
  6. 6
    Coal resources of Indiana County, Pennsylvania /
    by Bragonier, William A.
    Published 1996
    Subjects: “...Coal mines and mining Pennsylvania Indiana County....”
    Book
  7. 7
    Geology, mining, and methane content of the Freeport and Kittanning coalbeds in Indiana and surrounding counties, Pa. /
    by Puglio, D. G. (Donald G.)
    Published 1979
    Subjects: “...Coal mines and mining Pennsylvania....”
    Government Document Book
  8. 8
    Reconnaissance of the coal-bed methane resources in Pennsylvania /
    by Markowski, Antonette K., 1956-
    Published 2001
    Subjects: “...Coal mines and mining Pennsylvania....”
    Government Document Book
  9. 9
    Coal resources of Cambria and Blair Counties, Pennsylvania /
    Published 1990
    Subjects: “...Coal mines and mining Pennsylvania Cambria County....”
    Book
  10. 10
    The bottomland : poems /
    by Humes, Harry
    Published 1995
    Subjects: “...Coal mines and mining Pennsylvania Poetry....”
    Book
  11. 11
    The anthracite coal industry ; a study of the economic conditions and relations of the co-operative forces in the development of the anthracite coal industry of Pennsylvania /
    by Roberts, Peter, 1859-1932
    Published 1901
    Subjects: “...Coal mines and mining Pennsylvania....”
    Book
  12. 12
    In-mine installation of passive water barriers /
    Published 1984
    Subjects: “...Coal mines and mining Pennsylvania Indiana Safety measures....”
    Government Document Book
  13. 13
    Methods of determining the orientations of bedrock fracture systems in southwestern Pennsylvania and northern West Virginia /
    by Bench, B. M.
    Published 1977
    Subjects: “...Coal mines and mining Pennsylvania....”
    Get full text
    Government Document Book
  14. 14
    Selected geologic factors affecting mining of the Pittsburgh coalbed /
    Published 1975
    Subjects: “...Coal mines and mining Pennsylvania....”
    Get full text
    Government Document Book
  15. 15
    Subsidence over four room-and-pillar sections in southwestern Pennsylvania /
    by Moebs, Noel N.
    Published 1982
    Subjects: “...Coal mines and mining Pennsylvania Safety measures....”
    Government Document Book
  16. 16
    Electrical ignition energies and thermal autoignition temperatures for evaluating explosion hazards of dusts /
    by Hertzberg, Martin
    Published 1985
    Subjects: “...Coal mines and mining Pennsylvania Dust control....”
    Government Document Book
  17. 17
    Economic analysis of a severance tax on Pennsylvania bituminous coal production /
    by Bissell, Perry Edward, 1955-
    Published 1982
    Subjects: “...Coal mines and mining Pennsylvania Economic aspects....”
    Thesis Book
  18. 18
    Coal resources of Fayette County, Pennsylvania /
    by Shaulis, James R.
    Published 1985
    Subjects: “...Coal mines and mining Pennsylvania Fayette County....”
    Book
  19. 19
    Coal resources of Greene County, Pennsylvania /
    by Dodge, Clifford H.
    Published 1984
    Subjects: “...Coal mines and mining Pennsylvania Greene County....”
    Book
  20. 20
    Methods of determining the orientations of bedrock fracture systems in southwestern Pennsylvania and northern West Virginia /
    Subjects: “...Coal mines and mining Pennsylvania....”
    Government Document Book
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