The U.S. Army Corps of Engineers, Detroit District, has awarded a dredging contract for Ontonagon Harbor on Lake Superior in the western Upper Peninsula. The $328,350 contract was awarded to Great Lakes Dock & Materials, LLC, of Muskegon, Mich. It calls for dredging 50,000 cubic yards of shoal material, which will be deposited on the lakeshore as beach nourishment. Work is scheduled to begin in early June and wrap up in July.