Earth history field trip for high school science teachers :
Jacksonville, Illinois, October 22, 1949 /
sponsored by State Geological Survey.

Description

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Related Names
Illinois State Geological Survey.
Language(s)
English
Published
[Champaign, Ill. : State of Illinois, Dept. of Registration and Education, State Geological Survey Division, 1949]
Subjects
Geology > Illinois > Jacksonville.
Note
Gilbert O. Raasch, Conference director; Principal John Agger, Conference host.
Caption title.
Physical Description
12, [2] leaves : ill., maps ; 28 cm.
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Full view   Illinois State Geological Survey Fieldtrip Guidebook No. 1949 Jacksonville University of Illinois at Urbana-Champaign