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![]() | Document Date: 2013-07-29 15:44:33Open Document File Size: 1,69 MBShare Result on FacebookCityPittsburgh / Donora / /EventMan-Made Disaster / /FacilityCity Hall / /HolidayHalloween / /IndustryTermhazardous chemicals / paint / steel mill / metal dust / manufacturing plants / finished steel / /NaturalFeatureCuyahoga River / Monongahela River / /PersonLouis DeSalvio / Robert Moses / /PositionAssemblyman / zinc mill manager / /ProvinceOrStatePennsylvania / /SocialTag |