Contributions

  • Thill, Richard E. - Contributor

Publication

1991 - U.S. Dept. of the Interior, Bureau of Mines, Washington, DC (2401 E St. NW, Washington 20241-0001), District of Columbia

Language

English

Word Count

3,000 words, Guess

Page Count

12 pages

Identifiers

Classifications

  • DDC622 s
  • DDC622/.28
  • LCCTN23 .U43
and 1 more
  • LCCTN317 .U43

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