BILLINGS, Mont., July 9 (UPI) -- State officials in Montana were put the test when responding to a 2011 oil spill from a ruptured oil pipeline near Billings, an official said.
Exxon Mobil said it expected to pay more than $100 million in cleanup operations for the July 2011 rupture of the Silvertip oil pipeline near Billings, Mont. An estimated 1,200 barrels spilled from the pipeline into the Yellowstone River.