Technology and the mineral industries Mineral technology and output per man studies : grade of ore Mineral technology and output per man studies : rock drilling Mechanization trends in metal and nonmetal mining as indicated by sales of underground loading equipment

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Technology and the mineral industries . Mineral technology and output per man studies : grade of ore . Mineral technology and output per man studies : rock drilling . Mechanization trends in metal and nonmetal mining as indicated by sales of underground loading equipment

. . .

(Report, E-1, E-6, E-11, E-3 . Mineral technology and output per man studies)

Work Projects Administration, National Research Project, 1940

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Contents of Works

  • Technology and the mineral industries / by F.G. Tryon ...[et al.]
  • Mineral technology and output per man studies : grade of ore / by Andrew V. Corry and O.E. Kiessling
  • Mineral technology and output per man studies : rock drilling / by C.E. Nighman and O.E. Kiessling
  • Mechanization trends in metal and nonmetal mining as indicated by sales of underground loading equipment / by L.N. Plein, F.E. Berquist, and F.G. Tryon

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  • Report

    Work Projects Administration, National Research Project

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