Boulder is a populated place located in Clinton County, Illinois. It appears on the Boulder USGS 7.5-minute topographic quadrangle. The elevation at this location is approximately 466.00 feet (142.04 m) above sea level.
Clinton County · Illinois
Boulder is a populated place located in Clinton County, Illinois. It appears on the Boulder USGS 7.5-minute topographic quadrangle. The elevation at this location is approximately 466.00 feet (142.04 m) above sea level.