Cleanup crews work a section of the contained oil in the Mississippi River using sorbent material and plastic bags to properly remove the oiled material, near LeClaire, Iowa, Dec. 3, 2013. Response crews have deployed more than 7,100 feet of boom and collected more than 1,800 cubic-feet of oily waste. (U.S. Coast Guard photo by Petty Officer 3rd Class Jonathan Lally)