... agricultural production, warm -water sh-ing, and navigation. Agriculture and forests are the two major land uses/covers in the Cass River watershed, accounting for 60% and 21% of the total land area, ... programs.10.2 STUDY AREAThe study area of this research is the Cass River watershed, a subwatershed of the Saginaw Bay watersheds. The Cass River watershed runs cross Huron, Sanilac, Tus-cola, Lapeer, ... 1988. Remedial action plan for Saginaw River and Saginaw Bay. East Lansing: Michigan Department of Natural Resources, Surface Water Quality Division, Great Lakes and Environmental Assessment...