May 22nd Another Civil War Cannon, Called the 8 Inch Columbiad

This substantial piece of armament sits in the Plaza, along with three other guns, this particular one guarded the entrance to the city from the Castillo de San Marcos. 

8-inch Columbiad

Inscription. A part of the armament historic Fort Marion (Castillo de San Marcos) before, during and after the Civil War Presented to the City of St. Augustine by the U.S. War Department June 12, 1900 Location. 29° 53.555′ N, 81° 18.761′ W. Marker is in St. Augustine, Florida, in Saint Johns County. Marker is at the intersection of Cathedral Plaza and St. George Street, on the left when traveling west on Cathedral Plaza