Contributions

  • Ringler, Robert W., joint author. - Contributor

Publication

1979 - Illinois Institute of Natural Resources, Chicago, Illinois

Language

English

Word Count

4,500 words, Guess

Page Count

18 pages

Identifiers

Classifications

  • DDC557.73 s
  • DDC557.73
  • LCCQE105 .A45 no. 507
and 1 more
  • LCCQE106.I44 .A45 no. 507

Subjects

Topics

GeologySeismic refraction methodGeology -- Illinois -- Illinois Valley

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