Johnson Slough is a lake located in Mason County, Illinois. It appears on the Chandlerville USGS 7.5-minute topographic quadrangle. The nearest populated place is Chandlerville, approximately 2.7 miles to the SE.
Mason County · Illinois
Johnson Slough is a lake located in Mason County, Illinois. It appears on the Chandlerville USGS 7.5-minute topographic quadrangle. The nearest populated place is Chandlerville, approximately 2.7 miles to the SE.