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Keywords from Image Description:
ORE CARRIER HEADS INTO LAKE SUPERIOR FROM DULUTH HARBOR AHEAD IS LAYER OF SMOG HANGING IN THE AIR OVER THE CITIES... NARA .tif Scope and content General notes Local identifier DA Environmental Protection Agency NARAAuthor Emmerich Donald Photographer File ORECARRIERHEADSINTOLAKESUPERIORFROMDULUTHHARBORAHEADISALAYEROFSMOGHANGINGINTHEAIROVERTHECITIES