Round Knob is a populated place located in Massac County, Illinois. It appears on the Metropolis USGS 7.5-minute topographic quadrangle. The elevation at this location is approximately 394.00 feet (120.09 m) above sea level.
Massac County · Illinois
Round Knob is a populated place located in Massac County, Illinois. It appears on the Metropolis USGS 7.5-minute topographic quadrangle. The elevation at this location is approximately 394.00 feet (120.09 m) above sea level.