Quadrangle Maps

Eddyville Geology 1986 Eddyville Geology map
Edwardsville Bedrock Geology 2003 Edwardsville Bedrock Map
Edwardsville Surficial Geology 2003 Edwardsville Surficial Map
Elburn Surficial Geology 2001 Elburn SG map
Eldorado Bedrock Geology 2016
Elgin Surficial Geology 2007 Elgin SG map 1
Elgin Drift Thickness 2007 Elgin Thickness Map
Elgin Data Points 2007 Elgin Data Points
Elgin Bedrock Topography 2007 Elgin Bedrock Map
Elmhurst Surficial Geology 1939 1939 Elmhurst SG map


Purchase this map online through Shop ISGS*, or contact the Sales and Information Office for more information.

*excludes EDMAP series and student maps