Contributions

  • Illinois State Geological Survey - Contributor

Publication

1987 - Dept. of Energy and Natural Resources, Illinois State Geological Survey, Champaign, IL, Illinois

Language

English

Word Count

9,000 words, Guess

Page Count

36 pages

Identifiers

Classifications

  • DDC557.73996

Alternate Titles

  • Tunnel Hill area - Johnson and Pope Counties, geological science field trip.

Subjects

Series Statement

  • Field trip / Department of Energy and Natural Resources, Illinois State Geological Survey -- Sect. 1987-A
  • Fieldtrip guide leaflet (Illinois State Geological Survey) -- 1987A.

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