Harper Island is a island located in Henderson County, Illinois. It appears on the Burlington USGS 7.5-minute topographic quadrangle. The nearest populated place is Carthage Lake, approximately 0.6 miles to the N.
Henderson County · Illinois
Harper Island is a island located in Henderson County, Illinois. It appears on the Burlington USGS 7.5-minute topographic quadrangle. The nearest populated place is Carthage Lake, approximately 0.6 miles to the N.