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Showing 1 - 9 results of 9 for search '"Report of investigations (United States. Bureau of Mines) ;"', query time: 0.31s Refine Results
  1. 1
    Commercial-quality gas from the multipurpose borehole located in the Pittsburgh coalbed /
    “...Report of investigations (United States. Bureau of Mines) ;...”
    Government Document Book
  2. 2
    Hydraulic stimulation increases degasification rate of coalbeds /
    “...Report of investigations (United States. Bureau of Mines) ;...”
    Government Document Book
  3. 3
    Langwall gob degasification with surface ventilation boreholes above the Lower Kittanning coalbed /
    “...Report of investigations (United States. Bureau of Mines) ;...”
    Government Document Book
  4. 4
    Water infusion of coalbeds for methane and dust control /
    by Cervik, Joseph
    Published 1977
    “...Report of investigations (United States. Bureau of Mines) ;...”
    Government Document Book
  5. 5
    Degasification of the Mary Lee coalbed near Oak Grove, Jefferson County, Ala., by vertical borehole in advance of mining /
    by Elder, C. H. (Curtis H.)
    Published 1974
    “...Report of investigations (United States. Bureau of Mines) ;...”
    Get full text
    Government Document Book
  6. 6
    Geologic factors causing roof instability and methane emission problems : the Lower Kittaning coalbed, Cambria County, Pa. /
    by McCulloch, C. M. (Charles M.)
    Published 1973
    “...Report of investigations (United States. Bureau of Mines) ;...”
    Get full text
    Government Document Book
  7. 7
    Cleat in bituminous coalbeds /
    by McCulloch, C. M. (Charles M.)
    Published 1974
    “...Report of investigations (United States. Bureau of Mines) ;...”
    Get full text
    Government Document Book
  8. 8
    Commercial-quality gas from the multipurpose borehole located in the Pittsburgh coalbed /
    by Fields, H. H.
    Published 1975
    “...Report of investigations (United States. Bureau of Mines) ;...”
    Get full text
    Government Document Book
  9. 9
    Hydraulic stimulation increases degasification rate of coalbeds /
    by Elder, C. H.
    Published 1975
    “...Report of investigations (United States. Bureau of Mines) ;...”
    Get full text
    Government Document Book
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