Publication

1983 - U.S. Dept. of the Interior, Bureau of Mines, Avondale, Md., Maryland

Language

English

Word Count

3,500 words, Guess

Page Count

14 pages

Identifiers

Classifications

  • DDC622 s
  • DDC622.23
  • LCCTN23 .U43 no. 8820
and 1 more
  • LCCTN345 .U43 no. 8820

Alternate Titles

  • Ignition potential of conical bits.

Subjects

Series Statement

  • Report of Investigations / Bureau of Mines ;
  • 8820
  • Report of investigations (United States. Bureau of Mines) ;

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