The world's largest floods, past and present : their causes and magnitudes /

by O'Connor, Jim E., 1959-
[Reston, Va.] : U.S. Geological Survey, 2004

Large floods in the United States : where they happen and why /

by O'Connor, Jim E., 1959-, Costa, John E.
Denver CO : U.S. Dept. of the Interior, U.S. Geological Survey : U.S. Geological Survey, Map Distribution [distributor], 2003