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WATER WHICH HAS BEEN USED IN CLEANING COAL IS THEN PLACED IN SETTLING PONDS. IT WILL BE PURIFIED AND RETURNED TO THE... NARA .tif Scope and content General notes Local identifier DA Environmental Protection Agency NARAAuthor Corn Jack Photographer File WATERWHICHHASBEENUSEDINCLEANINGCOALISTHENPLACEDINSETTLINGPONDS ITWILLBEPURIFIEDANDRETURNEDTOTHE