Publication

1990 - Bureau of Mines, U.S. Dept. of the Interior, Washington, D.C, District of Columbia

Language

English

Word Count

20,250 words, Guess

Page Count

81 pages

Identifiers

Classifications

  • DDC622 s
  • DDC622/.28
  • LCCTN23 .U43 no. 9290
and 1 more
  • LCCTN288 .U43 no. 9290

Subjects

Topics

TestingLongwall miningMine roof controlMine roof control -- Testing

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