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"The U.S. Environmental Protection Agency said it was collecting soil samples near the Yellowstone River as officials wait for Exxon's oilspill data."^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.upi.com/Business_News/Energy-Industry/2011/07/14/Silvertip-spill-sends-Exxon-to-Washington/UPI-39591310645872/>