Author

Publication

1944 - , Urbana, Ill, Illinois

Language

English

Word Count

25,750 words, Guess

Page Count

103 pages

Identifiers

Classifications

  • LCCQE105 .A45 no. 109

Subjects

Series Statement

  • Illinois. State Geological Survey. Circular,
  • no. 109
  • Circular (Illinois State Geological Survey) ;
  • 109.

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