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Exxon Mobil Yellowstone

Montana Questions Exxon's Estimate Of Yellowstone Oil Spill

AP | MATTHEW BROWN | Posted 09.11.2011 | Green

BILLINGS, Mont. — State environmental regulators have asked Exxon Mobil to justify its estimate for how much oil spilled into the Yellowstone Ri...

Exxon Took Longer To Stop Yellowstone Oil Spill Than Publicly Disclosed

AP | MATTHEW BROWN and GARANCE BURKE | Posted 09.05.2011 | Green

BILLINGS, Mont. — Exxon Mobil Co. had reassured federal regulators and officials from a Montana town since December that an oil pipeline beneath...