Robert R. Holmes Jr. Loyd A. Waite Gary P. Johnson 2003 <p>Ten years ago, the upper Mississippi River Basin in the Midwestern United States experienced the costliest flood in the history of the United States. The flood came to be known as “ The Great Flood of 1993.”</p> application/pdf 10.3133/fs20043024 en U.S. Geological Survey The Great Flood of 1993 on the Upper Mississippi River—10 years later reports