Contributions

  • Voltz, Jon I. - Contributor

Publication

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

Language

English

Word Count

6,000 words, Guess

Page Count

24 pages

Identifiers

Classifications

  • DDC622 s
  • DDC622/.3382/028
  • LCCTN23.U43 no. 8800 TN813

Subjects

Topics

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