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Above is the Ixtoc I oil well blowout after the oil platform Sedco 135 burned and sank in 1979. | DCL
Tech

Gulf Oil Spill Not the Biggest Ever

The leaking Deepwater Horizon oil well is still second in size to the massive Ixtoc I blowout in the late 1970s, which gushed for 290 days.

June 1, 2010
3:00 AM EDT