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Selected mineral deposits and their role as research locations for innovative mining techniques [microform] / by Roy H. Grau III and Noel N. Moebs (Information circular ; 9445)

Selected mineral deposits and their role as research locations for innovative mining techniques [microform] / by Roy H. Grau III and Noel N. Moebs (Information circular ; 9445)
Microform図書
1996<YCA-I 28.27:9445>
National Diet Library
  • Author HeadingGrau, Roy H Moebs, Noel N United States. ...

Analysis of acoustic responses of domal salt mine samples / by Roy H. Grau III and Thomas E. Marshall (Report of investigations ; 9295)

Analysis of acoustic responses of domal salt mine samples / by Roy H. Grau III and Thomas E. Marshall (Report of investigations ; 9295)
Microform図書
1990<YCA-I 28.23:9295>
National Diet Library
  • Author HeadingGrau, Roy H Marshall, Thomas E United Sta...

Economic evaluation of horizontal borehole drilling for methane drainage from coalbeds / by Eugene C. Baker, Roy H. Grau III, and Gerald L. Finfinger (Information circular ; 9080)

Economic evaluation of horizontal borehole drilling for methane drainage from coalbeds / by Eugene C. Baker, Roy H. Grau III, and Gerald L. Finfinger (Information circular ; 9080)
Microform図書
1986<YCA-I 28.27:9080>
National Diet Library
  • Author HeadingBaker, E. C. (Eugene C.) Grau, Roy H Finfinger, Gerald L United St...

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