Exxon cleans up Arkansas oil spill

File of workers scrubing crude oil from their boots in the Northwoods subdivision where an ExxonMobil pipeline ruptured in Mayflower

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Exxon's Pegasus pipeline was shut after the leak was discovered March 30 in a subdivision near the town of Mayflower, which spilled thousands of gallons of crude oil in Arkansas. The leak forced the evacuation of 22 homes, and clean up has begun.

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