1944 Owned U.S. Navy
1955 Renamed MILLARD COUNTY
1961 Owned Federal German Navy
1973 Owned Zandzuig & Transportbedrijf H.G. & G.D. Blomberg B.V.; converted to hopper dredge by N.V. Scheepswerf En Machinefabriek "De Merwede", Hardinxveld, Netherlands; renamed ESPERANCE III
1979 Owned C. de Co. Maritime Construction Inc; US 590658
1980 Owned American International Dredge Corporation
1986 Owned B & B Dredging Corporation; renamed COLUMBUS