Article Photos: APNewsBreak: Floods blamed for 16 pipeline spills 1/2

FILE - This July 2, 2011 file photo shows oil from a ruptured ExxonMobil pipeline on the Yellowstone River and along its banks near Laurel, Mont. A federal investigation says Exxon Mobilâs delayed response to a pipeline break beneath Montanaâs Yellowstone River made the spill far worse than it otherwise would have been.    (AP Photo/Matthew Brown, File)