Contributions

  • Wingquist, Carl F. - Contributor
  • Roepke, Wallace W. - Contributor

Publication

1988 - U.S. Dept. of the Interior, Bureau of Mines, Washington, D.C., District of Columbia

Language

English

Word Count

15,750 words, Guess

Page Count

63 pages

Identifiers

Classifications

  • DDC622 s
  • DDC622/.334
  • LCCTN23 .U43 no. 9193
and 1 more
  • LCCTN813 .U43 no. 9193

Subjects

Series Statement

  • Report of investigations ;
  • 9193
  • Report of investigations (United States. Bureau of Mines) ;

Other Editions

  • Preliminary evaluation of the relationship of bit wear to cutting distance, forces, and dust using selected commercial and experimental coal- and rock-cutting toolsU.S. Dept. of the Interior, Bureau of Mines1988-01-01

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