An oil skimming operation works in a heavy oil slick near Latouche Island near the southwest end Prince William Sound 01 April 1989 in Valdez, a week after the beginning of an oil disaster which occurred when the tanker Exxon Valdez ran aground 24 March 1989 and spilled 11 million gallons of crude oil into Prince William Sound off Alaska. (Photo credit should read CHRIS WILKINS/AFP/Getty Images)
