This disc marks the southeast corner of the old adobe wall that protected Tucson from the Indians in the early days - prior to 1845
Moved to this location in 1955 — — Map (db m26461) HM
On North Church Avenue at West Washington Street, on the right when traveling south on North Church Avenue.
This marker locates the northeast corner of the adobe wall which surrounded the Royal Spanish Presidio San Agustin del Tucson. It is thought that a bastion, used as a lookout and as a defensive position, stood here. The site was excavated in 1954 by . . . — — Map (db m83213) HM
On West Pennington Street, on the right when traveling west.
Near this site was the southwest corner of the adobe wall that surrounded the Spanish Presidio, an enclosure of 11 ¼ acres which included most of the present city – county governmental complex and the Art Museum block. Tucson was the largest . . . — — Map (db m83214) HM
On North Main Avenue at West Washington Street, on the right when traveling north on North Main Avenue.
This marker locates the northwest corner of the adobe wall which surrounded the Royal Spanish Presidio San Agustín del Tucson. In 1776 the new outpost was garrisoned by seventy Spanish cavalry troopers and Indian scouts, transferred from . . . — — Map (db m83212) HM
