Jérôme Stubler, chief executive officer of Soletanche Freyssinet from the Treviicos-Soletanche Joint Venture company speaks as Stefano Trevisani, chief executive officer, managing director and director, Trevi-Finanzianria Industriale SpA looks on during a completion ceremony of rehabilitation work for the Wolf Creek Dam Friday, April 19, 2013. The celebration was sponsored by the U.S.Army Corps of Engineers in the Russell County schools Auditorium/Natatorium. Wolf Creek Dam is on the Cumberland River in south central Kentucky. The lake's huge water storage capability provides downstream communities with important flood risk reduction, and additional water resources supporting commercial navigation, water supply, water quality, hydropower, and environmental benefits. Lake Cumberland is the largest reservoir east of the Mississippi and the ninth largest in the United States.