Union is a populated place located in McHenry County, Illinois. It appears on the Marengo South USGS 7.5-minute topographic quadrangle. The elevation at this location is approximately 839.90 feet (256.00 m) above sea level.
McHenry County · Illinois
Union is a populated place located in McHenry County, Illinois. It appears on the Marengo South USGS 7.5-minute topographic quadrangle. The elevation at this location is approximately 839.90 feet (256.00 m) above sea level.