Split Rock Lighthouse, which is lit each year for about two hours and 15 minutes to honour the lives of the men who died aboard the Edmund Fitzgerald. It is estimated there are about 500 shipwrecks scattered across Lake Superior alone, whose dimensions run a scarcely fathomable 563km in length and 240km in width. The 729ft ore boat Edmund Fitzgerald, shown in a 1972 file photo, apparently sank with all hands on board during a storm that kicked up 25ft waves on Lake Superior. [ Four historical shipwrecks found at Dublin’s Portmarnock beach amid shifting sandsOpens in new window ]“I was on the Edmund Fitzgerald for four hours in 1973. I was an engineer on the Reserve, a sister ship to the Edmund Fitzgerald.
