The highest bench mark monument in Delaware is located on Ebright Road. This horizontal control mark denotes an elevation of 447.85 feet above sea level. The Delaware Geological Survey through its relationship with the National Geodetic Survey has determined that this bench mark monument is in the vicinity of the highest natural elevation in the state.
NCC-85. Installed in 1989.
6 Winterset Road, Wilmington, DE 19810
Related Topics: Delaware Geological Survey, Ebright Azimuth, Ebright Road, highest natural elevation, Historical Markers, horizontal control mark