http://www.newscientist.com/article/mg22530062.400-data-archaeology-helps-builders-avoid-buried-treasure.html?cmpid=RSS%7CNSNS%7C2012-GLOBAL%7Cmagcontents#.VMrZe8LyFYc

a wooden boat found under the twin towers? I would dig a bit deeper if I were you...to find that paramilitary base...you are 'in the right place'....according to hulbrusch who had known about the boat...and had had access to that underground base.