MARQUETTE — The Joseph L. Block is expected at 1 p.m. Friday at the Lake Superior & Ishpeming ore dock in Marquette’s Upper Harbor. Also due on Friday is the Ashtabula at 2 p.m. The Lee A. Tregurtha is expected at 4 p.m. Sunday. On Monday, the Michipicoten is due at 5 a.m. and the Maumee is due at 6 a.m.