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検索結果 4 件

Efficiency in blasting coal : production of lump coal / by J.E. Tiffany and C.W. Nelson. (Coal-mining investigations bulletin ; 11)

Efficiency in blasting coal : production of lump coal / by J.E. Tiffany and C.W. Nelson. (Coal-mining investigations bulletin ; 11)
紙図書
Carnegie Institute of Technology1924.<300-82>
国立国会図書館
  • 一般注記... of Mines, and Advisory Board of Coal-mine Operators and Engineers." Supplemented by Bulletin 19...
  • 著者標目...reau of Mines. Advisory Board of Coal-mine Operators and Engineers. Hillman Coal and Coke Co.

Correlation of coal beds of the Allegheny formation of western Pennsylvania and eastern Ohio

Correlation of coal beds of the Allegheny formation of western Pennsylvania and eastern Ohio
デジタル図書
by Reinhardt Thiessen and Ford E. WilsonCarnegie Institute of technology1927
全国の図書館
  • 一般注記...u of mines and Advisory board of coal-mine operators and engineers
  • 著者標目...ureau of Mines Advisory Board of Coal-mine Operators and Engineers

Correlation of coal beds in the Monongahela formation of Ohio, Pennsylvania, and West Virginia

Correlation of coal beds in the Monongahela formation of Ohio, Pennsylvania, and West Virginia
紙図書
by Reinhardt Thiessen and J.N. StaudCarnegie Institute of technology1923
全国の図書館
  • 一般注記...u of mines and Advisory board of coal-mine operators and engineers
  • 著者標目...ureau of Mines Advisory Board of Coal-mine Operators and Engineers

Bulletin

Bulletin
紙図書
Carnegie Institute of TechnologyCarnegie Institute of Technology
全国の図書館
  • 一般注記...reau of Mines, Advisory Board of Coal-mine Operators and Engineers 1925-, Mining and metallurgic...
  • 著者標目...ureau of Mines Advisory Board of Coal-mine Operators and Engineers

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