MARQUETTE — The Michipicoten and the Honorable James L. Oberstar were at the Lake Superior & Ishpeming ore dock in Marquette’s Upper Harbor this morning. The James L. Kuber was due at 9:30 a.m. today. The Ashtabula is expected at 2 a.m. Sunday and the Lee A. Tregurtha is due at 8 p.m. Sunday.