Ka cika wannan jumlar: A ranar 24 ga Maris, 1989, jirgin mai mai mai suna Exxon Valdez ya yi hadari a kan Bligh Reef, ya zubar da galan miliyan goma sha ɗaya na danyen mai a cikin ruwan Prince William Sound. Ƙungiyar
Exxon Valdez oil spill shi ne mafi girma a tarihin Amurka.