Go behind the scenes and learn how French Civil Engineer Augustin Jean Fresnel invented Fresnel Lenses. Determine exactly just how many lighthouses remain active along the Great Lakes including total number which still retain their Fresnel Lenses. Learn about various achievements which U.S. Lighthouse Board made during its nearly 60 Years in existence. Discover which organization replaced U.S. Lighthouse Board in year 1910 including its overseer along with accomplishments made. Figure out exactly how many women at best served as lighthouse keepers including assistants. Find out which state has the highest number of female lighthouse keepers. Understand exactly why one particular Great Lake has often been said to never give up her dead. Go behind the scenes and discover where the tallest lighthouse happens to be located on the Great Lakes. Get a breakdown behind each Great Lake’s history involving shipwrecks including the one that claims home to more wrecks than all the others. Agree if it’s fair to say that the Great Lakes remain to this day a challenging environment for shipping in general. Get an understanding behind why people can’t dive to the Edmund Fitzgerald shipwreck site including the whereabouts of SS Arthur M. Anderson, last ship that communicated directly with the “Mighty Fitz” on November 10, 1975. Understand importance behind two key purposes which lighthouses serve along Great Lakes and elsewhere.

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