They immediately decided to return to northern Illinois to protect their homes.

Damage was reported in extreme northern Illinois along the same line.

The station provides a great deal of the electricity used in northern Illinois.

The developer took his proposal to various communities within northern Illinois.

These schools, along with several others, help to make Northern Illinois a vibrant research area.

He later moved back to northern Illinois, where he experienced health problems due to his weight.

Waterfall grew up in northern Illinois and began studying piano at the age of eight.

More than 170 students from 44 northern Illinois high schools attended the day-long leadership conference.

Around the same time, a small town in northern Illinois also started calling itself Highland.

Ancestors settled in northern Illinois in the late 19th century.