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 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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