MARQUETTE — The Herbert C. Jackson is expected at 3 p.m. today at the Lake Superior & Ishpeming ore dock in Marquette’s Upper Harbor. The American Mariner is expected at 6 p.m. today. The Kaye E. Barker is due at 1 a.m. Tuesday. Expected at noon Wednesday is the Lee A. Tregurtha. The Honorable James L. Oberstar is due at 8 a.m. Thursday.