Bedrock Geology Map, Grafton Quadrangle (Illinois portion), Jersey and Calhoun Counties, Illinois
Denny, F. Brett; Devera, Joseph A.
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https://hdl.handle.net/2142/77963
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Title Bedrock Geology Map, Grafton Quadrangle (Illinois portion), Jersey and Calhoun Counties, Illinois Author(s) Denny, F. Brett Devera, Joseph A. Contributor(s) Illinois State Geological Survey Issue Date 2002 Keyword(s) Geology Geology--Illinois--Maps Geographic Coverage Grafton Quadrangle Jersey County, Illinois Calhoun County, Illinois Publisher Champaign, Ill.: Dept. of Natural Resources, Illinois State Geological Survey Series/Report Name or Number IGQ Grafton-BG Type of Resource text Language eng Permalink http://hdl.handle.net/2142/77963 Copyright and License Information Copyright 2002 Board of Trustees University of Illinois.
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