Battery Tracey The author traveled by boat from Mobile Bay's 1-10 causeway to Battery Tracey to film the remnants of the forts. Image Credit: Paul Brueske Siege operations at Spanish Fort, Mobile Bay, by the U.S. forces under Maj. Gen. Canby. Image Credit: Library of Congress Image Credit: (Map) Siege of Spanish Fort. National Archives Image Credit: Google Maps Siege of Spanish Map. Image Credit: O.C. Miller Battery Tracey. Image Credit: Google Maps