1906 Owned Shenango Steamship Co
1926 Owned Stewart Furnace Co (H.H. Brown); renamed ELTON HOYT II
1929 Owned Interlake Steamship Co (Pickands, Mather & Co)
1950 Installation of 4 cylinder unaflow engine, 28" x 30", 3500 hp, built by Skinner Engine Co; installation of 2 water tube boilers built by Foster-Wheeler Corp
1952 Renamed ALEX D. CHISHOLM
1966 Owned Medusa Portland Cement Co
1967 Converted to self-unloading cement carrier; renamed MEDUSA CHALLENGER
1999 Renamed SOUTHDOWN CHALLENGER
2005 Renamed ST. MARY'S CHALLENGER