Alaska Oil Spill
When the supertanker Exxon Valdez ran aground last March 24, spewing 11 million gallons of crude oil into Prince William Sound, some feared that the pristine waters would never recover. Bryan Hodgson assesses the worst tanker spill in U.S. history and a six-month, billion-dollar cleanup effort. This article was published in the January 1990 National Geographic.
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