Contributions

  • Swann, David Henry, 1915- - Contributor

Publication

1970 - , Urbana, Illinois

Language

English

Word Count

6,000 words, Guess

Page Count

24 pages

Identifiers

Classifications

  • DDC557.73/08 s
  • DDC526.8/6/0285425
  • LCCQE105 .A45 no. 451
and 1 more
  • LCCGA421 .A45 no. 451

Subjects

Series Statement

  • Circular
  • 451
  • Circular (Illinois State Geological Survey) ;

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