Dhameystir weedha soo socota: Bishii Maarso 24, 1989, halkii ay ka dhacday shilalkii saliida ee ugu xumaa taariikhda Maraykanka, markab nooca shidaalka qaada oo ay leedahay shirkada Exxon, "Exxon Valdez", ayaa ku dhacay gacanka Bligh Reef,
waxay ku daadisay badeeda 10 milyan oo litir oo saliid ah marinka Prince William ee gobolka Alaska ayagoo u sababay geerida boqolaal kun oo shimbiro bada iyo xayawaanada bada. markabka waxaa xakameeyay kabtan leh taariikh wadis maandooriye ah, waxaana shirkada Exxon lagu amray in ay bixiso 5 bilyan oo doolar. Ugu danbayntii xukunkaan waxaa la yareeyay, kadib racfaan badan, ilaa $500 million sanadii 2008.