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Search results 3

Respirable dust sources and controls on continuous auger mining sections / by J. Drew Potts, Robert A. Jankowski, and George Niewiadomski (Report of investigations ; 9223)

Respirable dust sources and controls on continuous auger mining sections / by J. Drew Potts, Robert A. Jankowski, and George Niewiadomski (Report of investigations ; 9223)
Microform図書
1989<YCA-I 28.23:9223>
National Diet Library
  • Subject HeadingCoal mines and mining -- Dust control Coal augers

A method to eliminate explosion hazards in auger highwall mining [microform] / by Jon C. Volkwein and James P. Ulery (Report of investigations ; 9462)

A method to eliminate explosion hazards in auger highwall mining [microform] / by Jon C. Volkwein and James P. Ulery (Report of investigations ; 9462)
Microform図書
1993<YCA-I 28.23:9462>
National Diet Library
  • Subject HeadingMine explosions -- United States -- Prevention Gases, Rare -- Testing Coal augers -- United States

Design, fabrication, and testing of a bidirectional auger [microform] (A mining research contract report) ([OFR ; 37-90])

Design, fabrication, and testing of a bidirectional auger [microform] (A mining research contract report) ([OFR ; 37-90])
Microform図書
1983<YCA-I 28.155:37-90>
National Diet Library
  • Subject HeadingCoal augers

Reached to the end of result.