Author

Contributions

  • Ruud, C. O. - Contributor
  • Siemens, R. E. - Contributor
  • United States. Bureau of Mines. - Contributor

Publication

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

Language

English

Word Count

3,000 words, Guess

Page Count

12 pages

Identifiers

Classifications

  • DDC622 s
  • DDC549/.23
  • LCCTN23 .U43 no. 8835
and 1 more
  • LCCQE495 .U43 no. 8835

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