Factbox: Chronology of Gulf of Mexico oil spill - Reuters

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Factbox: Chronology of Gulf of Mexico oil spill Reuters (Reuters) - A drilling rig explosion on April 20 left 11 workers missing and presumed dead, and the rig's subsequent collapse unleashed a major oil spill that threatens the ecosystems and economy of the US Gulf of Mexico. Also threatened is the heart ... US Considers 'Malfeasance' in Leak W »