Earth history field trip for high school science teachers :
Chicago Height[s], Illinois, May 21, 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 > Cook County.
Geology > Illinois > Chicago Heights.
Note
Gilbert O. Raasch, Conference director; Superintendent H.H. Metcalf, Conference host.
Caption title.
Physical Description
10, [1] leaves : map ; 28 cm.
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Full view   University of Illinois at Urbana-Champaign