Montague Island is a island located in Winnebago County, Illinois. It appears on the Rockford North USGS 7.5-minute topographic quadrangle. The nearest populated place is Rockford, approximately 1.0 miles to the N.
Winnebago County · Illinois
Montague Island is a island located in Winnebago County, Illinois. It appears on the Rockford North USGS 7.5-minute topographic quadrangle. The nearest populated place is Rockford, approximately 1.0 miles to the N.