Signal Hill is a populated place located in St. Clair County, Illinois. It appears on the French Village USGS 7.5-minute topographic quadrangle. The elevation at this location is approximately 587.00 feet (178.92 m) above sea level.
St. Clair County · Illinois
Signal Hill is a populated place located in St. Clair County, Illinois. It appears on the French Village USGS 7.5-minute topographic quadrangle. The elevation at this location is approximately 587.00 feet (178.92 m) above sea level.