Huastica Petroleum company ordered building steam tankers according to the Dutch newspaper Rotterdamsch nieuwsblad dated 8 June 1915

An item reported that the Huastica Petroleum Company of Tampico ordered Harlan&Hollingsworth Corporation at Wilmington, the New York Shipbuilding Company at Camden&W. Cremp and Sons Ships- and Engine Building Company at Philadelphia to built each a steam tanker of Isherwood design with as dimensions 392’x 51’x 30’.