M.E. Freese D.R. Winter E.B. Hoffman 1986 Analyses of flood-flow frequency were made for 80 active continuous-record gaging stations and 105 discontinued crest-stage partial-record stations in South Dakota with 10 or more years of record. The analyses were developed using the log-Pearson Type III procedure recommended by the U.S. Water Resources Council (Interagency Advisory Committee on Water Data, 1981.) (USGS) application/pdf 10.3133/ofr86496 en U.S. Geological Survey, Analyses of flood-flow frequency for selected gaging stations in South Dakota through September 1985 reports