Marion Reservoir is a reservoir located in Williamson County, Illinois. It appears on the Marion USGS 7.5-minute topographic quadrangle. The nearest populated place is Chamness (historical), approximately 1.6 miles to the W.
Williamson County · Illinois
Marion Reservoir is a reservoir located in Williamson County, Illinois. It appears on the Marion USGS 7.5-minute topographic quadrangle. The nearest populated place is Chamness (historical), approximately 1.6 miles to the W.