The oil has spread 15 miles beyond the leak, the firm says. Montana Gov. Brian Schweitzer says all oil and gas pipelines that cross state waterways will be reviewed and those that do not meet standards will be closed.
Oil from a Yellowstone River pipeline has spread at least 15 miles beyond the initial leak, Exxon Mobil acknowledged Monday — five miles farther than the company estimated a day earlier.
Exxon Mobil Pipeline Co. President Gary Pruessing pledged to do "whatever is necessary" to find and mop up spilled crude from the 12-inch pipeline that broke at the bottom of the river near Billings over the weekend.
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