Colonel William Richardson
Harmony (vicinity), Caroline County
MD 16 at Wilkins Bridge Road, northwest corner
MAP COORDINATES: N 38°47′36.49″ W 75°52′10.21″ (38.793469, -75.869503)
Installed Date: 1939
Sponsor: State Roads Commission
Themes: Government, Revolutionary War
Latitude: 38.7934694444444
Longitude: -75.8695027777778