Keystone is a populated place located in New Castle County, Delaware. It appears on the Wilmington South USGS 7.5-minute topographic quadrangle. The elevation at this location is approximately 95.29 feet (29.04 m) above sea level.
New Castle County · Delaware
Keystone is a populated place located in New Castle County, Delaware. It appears on the Wilmington South USGS 7.5-minute topographic quadrangle. The elevation at this location is approximately 95.29 feet (29.04 m) above sea level.