Exxon Mobil estimates Yellowstone spill will cost $42M

BILLINGS — Cleaning up tens of thousands of gallons of crude oil that spilled from a pipeline and fouled a popular stretch of Montana's Yellowstone River will cost Exxon Mobil an estimated $42.6 million, according to documents obtained Monday by The Associated Press.

About 42,000 gallons, or 1,000 barrels, of crude leaked into the waterway upstream of Billings, the state's most populous city, when the pipeline buried under the scenic river broke on July 1.

Exxon Mobil's cost estimate includes $40 million for emergency response work and $2.5 million for damage to public and private property. Th...