Salvage crews for the Stephen L. Colby Response work to connect a bow sling to another "A" frame barge in preparation for raising the 144-foot towboat from the Mississippi River bank near Le Claire, Iowa, Dec. 8, 2013. Response crews worked through icing and below freezing conditions to conduct cleanup and salvage operations. (U.S. Coast Guard photo by Petty Officer 1st Class Mariana O'Leary)