March 15, 1906 A caisson lighthouse in the Gulf of Mexico was lit for the first time. (Each caisson lighthouse has a superstructure resting on a concrete or metal caisson in order to better withstand potentially severe weather conditions.) This addition to American lighthouses off the Gulf Coast of the United States was specifically installed […]
1906: A Caisson Lighthouse in the Gulf of Mexico First Goes into Service — Transportation History
Chet Aero Marine 