Quadrangle Maps

Welge Bedrock Geology 2007 Welge Bedrock Map
Welge Surficial Geology 2010 Welge Surficial Map
West Chicago Bedrock Topography
West Chicago Surficial Geology 2007 West Chicago Surficial Map
Wheeling Surficial Geology 1939 1939 Wheeling Surficial Map
Wheeling Surficial Geology 2008 Wheeling Surficial Map
Willisville Bedrock Geology 2005 Willisville Bedrock Map
Willisville Surficial Geology
Winfield Bedrock Geology 2008 Winfield Bedrock Map
Wolf Lake Geology 1993 Wolf Lake Geology Map


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

*excludes EDMAP series