Glacial tills of Northwestern Illinois
Illinois State Geological Survey; Frye, John Chapman
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https://hdl.handle.net/2142/42864
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Title Glacial tills of Northwestern Illinois Author(s) Illinois State Geological Survey Frye, John Chapman Issue Date 1969 Keyword(s) Drift Date of Ingest 2013-03-29T20:13:52Z Geographic Coverage Illinois. Stephenson County Winnebago County Carroll County Ogle County Whiteside County Bureau County Lee County DeKalb County McHenry County Publisher Urbana, IL : Illinois State Geological Survey Series/Report Name or Number Circular no. 437 Type of Resource text Language eng Permalink http://hdl.handle.net/2142/42864 Has Version(s) http://hdl.handle.net/10111/UIUCOCA:glacialtillsofno437illi http://www.archive.org/details/glacialtillsofno437illi Copyright and License Information Public domain. Illinois state government document. Copyright 1969 Board of Trustees University of Illinois.
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