It lies beneath northeastern Illinois , northern Indiana and southeastern Wisconsin .
The Kankakee Arch is a geologic arch with a northwest -- southeast trending axis which connects the Cincinnati Arch to the southeast with the Wisconsin Dome to the northwest .
Kankakee Arch lies beneath northeastern Illinois , northern Indiana and southeastern Wisconsin .
The Kankakee Arch is a geologic arch with a northwest -- southeast trending axis which connects the Cincinnati Arch to the southeast with the Wisconsin Dome to the northwest .