Allen is a populated place located in Mason County, Illinois. It appears on the Natrona USGS 7.5-minute topographic quadrangle. The elevation at this location is approximately 532.84 feet (162.41 m) above sea level.
Mason County · Illinois
Allen is a populated place located in Mason County, Illinois. It appears on the Natrona USGS 7.5-minute topographic quadrangle. The elevation at this location is approximately 532.84 feet (162.41 m) above sea level.