Earth history field trip for high school science teachers : Grand Tower, Illinois, April 12, 1947
Submitter: Howard Ding
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https://hdl.handle.net/2142/43777
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Title Earth history field trip for high school science teachers : Grand Tower, Illinois, April 12, 1947 Contributor(s) Illinois State Geological Survey Issue Date 1947 Keyword(s) Geology Date of Ingest 2013-04-18T20:47:59Z Geographic Coverage Illinois Grand Tower. Jackson County, Illinois Publisher [Champaign, Ill.] : State of Illinois, Dept. of Registration and Education, State Geological Survey Division, Series/Report Name or Number Field trip guidebook 1947A Type of Resource text Language eng Permalink http://hdl.handle.net/2142/43777 Copyright and License Information Copyright 1947 Board of Trustees University of Illinois.
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