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WARNING SIGN AT THE AVONDALE SHIPYARD NARA .tif Scope and content General notes Local identifier DA Environmental Protection Agency NARAAuthor Messina John Photographer File WARNINGSIGNATTHEAVONDALESHIPYARDNARA tif tif File WARNINGSIGNATTHEAVONDALESHIPYARDNARA NARAcooperation PDUSGov John Messina DOCUMERICA Avondale Shipyard