Publication

1990 - Illinois State Geological Survey, Champaign, Ill. (615 E. Peabody Dr., Champaign 61820), Illinois

Language

English

Word Count

13,000 words, Guess

Page Count

52 pages

Identifiers

Classifications

  • DDC557.73 s
  • DDC557.73/2
  • LCCQE105 .A32 no. 136
and 1 more
  • LCCQE654 .A32 no. 136

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