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FREEPORT SULPHUR CO. MINE ON LAKE GRAND ECAILLE NARA .tif Scope and content General notes Local identifier DA Environmental Protection Agency NARAAuthor Messina John Photographer File FREEPORTSULPHURCO MINEONLAKEGRANDECAILLENARA tif tif File FREEPORTSULPHURCO MINEONLAKEGRANDECAILLENARA NARAcooperation PDUSGov John Messina