Statistics for occurrence #1 of “Fort St. Philip” in chapter 4.13 of The Photographic History of The Civil War: in ten volumes, Thousands of Scenes Photographed 1861-65, with Text by many Special Authorities, Volume 1: The Opening Battles.:

...more powers of resistance than the old wooden walls of Nelson's time. Against this attacking fleet were the well-placed guns ashore, seventy-four in Fort Jackson and fifty-two pieces of ordnance in Fort St. Philip . The garrisons were made up of about seven hundred well-trained cannoneers apiece. As Admiral Porter has observed, Assuming upon the general concession of military men that one gun in a Fort was ...
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