Last edited by Grole
Tuesday, August 4, 2020 | History

2 edition of Toward development of a hard-rock mining machine--drag cutter experiments in hard abrasive rocks found in the catalog.

Toward development of a hard-rock mining machine--drag cutter experiments in hard abrasive rocks

Roger J. Morrell

Toward development of a hard-rock mining machine--drag cutter experiments in hard abrasive rocks

by Roger J. Morrell

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  • 17 Currently reading

Published by U.S. Dept. of the Interior, Bureau of Mines in [Pittsburgh, Pa.] .
Written in English

    Subjects:
  • Drag bits (Drilling and boring) -- Testing.,
  • Mining machinery.,
  • Rock mechanics.

  • Edition Notes

    Bibliography: p. 19.

    Statementby Roger J. Morrell and Richard J. Wilson.
    SeriesReport of investigations ;, 8784, Report of investigations (United States. Bureau of Mines) ;, 8784.
    ContributionsWilson, Richard J.
    Classifications
    LC ClassificationsTN23 .U43 no. 8784, TN281 .U43 no. 8784
    The Physical Object
    Pagination19 p. :
    Number of Pages19
    ID Numbers
    Open LibraryOL2815827M
    LC Control Number83600092


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Toward development of a hard-rock mining machine--drag cutter experiments in hard abrasive rocks by Roger J. Morrell Download PDF EPUB FB2