Quadrangle Maps

Geneva Surficial Geology 2002 Genevea Surficial Map
Germantown Hills Surficial Geology 1939 2015
Gibson City West Surficial Geology 2018 Surficial Geology of the 7.5-Minute Gibson City West Quadrangle Champaign, Ford, and McLean Counties, Illinois, map thumbnail
Gifford Surficial Geology 2011 Gifford Surficial Map
Glendale Geology 1991 Glendale Geology map
Goreville Geology 1990 Goreville Geology map
Gorham Bedrock Geology 2009 Gorham Bedrock Map
Grafton Bedrock Geology 2002 Grafton Bedrock map
Grafton Surficial Geology 1999 Grafton Surficial Map
Grand Detour Bedrock Geology 2012 Grand Detour Bedrock map 1

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*excludes EDMAP series and student maps