Nearly a full month after first spilling tens of thousands of gallons into Montana's Yellowstone River, ExxonMobil has finally received preliminary aproval for its plan to clean up the mess. The oil began pouring into the river on July 1 after a pipeline broken beneath the river.
Exxon's plan includes 900 people to clean up the miles of fouled-up river. Montana officials estimated that up to 50,400 gallons of oil spilled into the Yellowstone. Exxon officials said it was more like 42,000 gallons.
New readings of possible contamination in soil and residential wells is expected to be complete by next Wednesday.