1764MapOjoDeAgua(med-view)

Detail of a 1764 map of the Blue Hole, Spanish Missions, and San Pedro Springs. Photo courtesy Headwaters at Incarnate Word, Inc.

Detail of a 1764 map of the Blue Hole, Spanish Missions, and San Pedro Springs. Photo courtesy Headwaters at Incarnate Word, Inc.

Detail of a 1764 map of the Blue Hole, Spanish Missions, and San Pedro Springs. Photo courtesy Headwaters at Incarnate Word, Inc.