Rubuta ci gaba don wannan sakin layi - A cikin 1989, Crowley tugs sun kasance na farko a wurin da aka yi wa tanki mai rauni "Exxon Valdez" a Prince William Sound, Alaska. Fitar da man fetur na "Exxon Valdez"
shi ne na biyu mafi girma a tarihin Amurka (bayan "Deepwater Horizon", 2010) kuma Crowley shine babban mai samar da kayan aiki na jirgin ruwa da ma'aikata don tsaftacewa. Don ƙoƙarin kauce wa bala'i a nan gaba, Kamfanin Sabis na Pipeline na Alyeska ya yi kwangila tare da Crowley don samar da taimakon tanki da aikin rakiyar a Valdez da Prince William Sound ta amfani da tugs tare da <unk> mafi kyawun fasahar da ake da ita.<unk>