Clean up crews use an absorbent boom to collect oil from along side the Yellowstone River in Laurel, Mont., Monday. An ExxonMobil pipeline near Laurel ruptured and spilled an estimated 1,000 barrels of crude into the Yellowstone. (AP Photo/Jim Urquhart)
Read the article: Exxon Mobil acknowledges Yellowstone River oil spill cleanup bigger than 10-mile stretch
