ku dhameystir weedha soo socota: 1989kii, doomaha xamuulka qaada ee Crowley ayaa ahaa kuwii ugu horeeyay ee ku soo dhaca goobta markabka xamuulka qaada ee "Exxon Valdez" oo ku burburay Prince William Sound, Alaska. Waxyaabaha
"Exxon Valdez" shidaal daadis ayaa ahaa kii labaad ee ugu weynaa taariikhda Mareykanka (ka dib "Deepwater Horizon", 2010) iyo Crowley wuxuu ahaa alaab-qeybiyaha ugu weyn ee qalabka badda iyo shaqaalaha nadiifinta. Si loo isku dayo in laga fogaado masiibooyinka mustaqbalka, Shirkadda Adeegga Dhuumaha ee Alyeska waxay qandaraas la gashay Crowley si ay u siiso kaalmada maraakiibta maraakiibta iyo shaqada raacitaanka ee Valdez iyo Prince William Sound iyadoo la adeegsanayo tuugo leh <unk>teknolojiyada ugu fiican ee la heli karo.<unk>