An update: "Associated Press BILLINGS, Mont. — Exxon Mobil Corp. said Friday it expects to incur costs of about $135 million from an oil pipeline break beneath Montana's Yellowstone River that triggered a massive effort to limit damage to the scenic waterway." More on the spill aftermath at: Yellowstone spill to cost Exxon $135M BTW, this was not within Yellowstone National Park, as at least one story misreported.
