The 72-foot tug Iver lies in approximately 16 feet of water after sinking at the pier at Mariner Properties on Lake Union near Seattle, Sept. 30, 2013. The tug, which had been converted into a houseboat, sank early in the morning, discharging approximately 200 gallons of diesel fuel. (U.S. Coast Guard photo by Petty Officer 3rd Class Katelyn Tyson)