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http://digitalgallery.nypl.org/nypldigital/dgkeysearchdetail.cfm?trg=1&strucID=848729&imageID=g92f217_167f&total=8&num=0&word=Fort%20Mahone&s=1&notword=&d=&c=&f=&k=1&lWord=&lField=&sScope=&sLevel=&sLabel=&sort=&imgs=20&pos=3&e=w