Publication

1992 - U.S. Dept. of the Interior, Bureau of Mines, Washington, D.C, District of Columbia

Language

English

Word Count

2,500 words, Guess

Page Count

10 pages

Identifiers

Classifications

  • DDC622 s
  • DDC622/.028
  • LCCTN295 .U4
and 1 more
  • LCCTN345 .U4

Subjects

Topics

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