MARQUETTE — The Michipicoten is expected at 9 a.m. Thursday at the Lake Superior & Ishpeming ore dock in Marquette’s Upper Harbor. Four boats are due on Friday: the Lee A. Tregurtha at 6 a.m., the Kaye E. Barker at 1 p.m., the Michipicoten at 3 p.m., and the James L. Kuber at 8 p.m.