It is believed to be no longer present in the Illinois River and scattered through the rest of its historic range.

All are now visible, but the first one, on the Illinois River, had been under water from the 1930s until recent times.

The bridge is located at mile 162.3 of the Illinois River.

The possibility of another bridge over the Illinois River is still on the table.

The principal river running through it is the Illinois River.

Nevertheless, even under acceptable conditions, the Illinois River can still cause casualties.

Much of the trail is near the Illinois River.

Six weeks later, the ship arrives on the Illinois River, with its crew missing.

The Illinois River flows along part of the county's eastern border.

The highway would have run through a handful of small towns on the Illinois River, however.