Author

Contributions

  • Kertis, Carla A. - Contributor
  • Goode, Claude A. - Contributor

Publication

1987 - U.S. Dept. of the Interior, Bureau of Mines, Avondale, Md.?, Maryland

Language

English

Word Count

8,500 words, Guess

Page Count

34 pages

Identifiers

Classifications

  • DDC622/.8
  • LCCTN805.A5 C26 1987

Subjects

Series Statement

  • Information circular ;
  • 9149
  • Information circular (United States. Bureau of Mines) ;

Other Editions

  • Coal mine bumpsU.S. Dept. of the Interior, Bureau of Mines1987

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