MARQUETTE — The Kaye E. Barker is expected at 2 p.m. Thursday at the Lake Superior & Ishpeming ore dock in Marquette’s Upper Harbor. The Hon. James L. Oberstar is expected at 1 a.m. Friday. On Saturday, the American Mariner is due at 2 p.m.. The Lee A. Tregurtha is due at 1 a.m. Sunday.