South Fork Vermilion River Illinois

Vermilion River

Long Tributary
    The Vermilion River is a 74.8-mile-long tributary of the Illinois River in the state of Illinois, United States. The river flows north, in contrast to a second Vermilion River in Illinois, which flows south to the Wabash River. The Illinois and Wabash rivers each have a tributary named the Little Vermilion River as well.
    Data from: Wikipedia · Freebase