"1634" . . . "70000921" . . "the current fort" . . "fort on Castle Island" . . . . "60702.846336" . "1634 works at Castle Island" . . . "Fort Independence" . . "Castle William" . . . . . . . . "Fort Independence (Massachusetts)" . "Fort Independence (Massachusetts)#Castle William" . . "fort in the Boston Harbor" . . "Fort Independence (Massachusetts)" . . . . . . . . "Independence" . . . . . "Fort Independence, Massachusetts" . . "colony's fort" . "Boston's fort" . "Fort Independence, Boston" . . . .