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Date: 2012-04-11 17:08:14Caponier Polygonal fort Bastion Maginot Line Counterscarp Castle Siege Star fort Séré de Rivières system Fortification War Military engineering | An Introduction to Artillery FortificationAdd to Reading ListSource URL: www.fsgfort.comDownload Document from Source WebsiteFile Size: 451,21 KBShare Document on Facebook |