(LEXINGTON) -- The U.S. Army Corps of Engineers says dredging work is planned at harbors in Michigan along Lake Huron and Lake Superior. The Corps' Detroit District says Tuesday that a $334,000 contract with Sault Ste. Marie-based MCM Marine Inc. will dredge Lexington Harbor in Sanilac County along Lake Huron. Separately, the Detroit District says a roughly $283,000 contract with Muskegon-based Great Lakes Dock & Materials LLC will dredge Big Bay Harbor and Lac La Belle Harbor along Lake Superior in the Upper Peninsula. Work on the projects are expected to begin in mid-October and be completed by mid- November.