Most reefs are associated with tropical waters and colorful fish, not the Great Lakes, but Saginaw Bay was once the home of many rock reefs. Created by glacial activity, the reefs provided a habitat for the bay’s fish. Over time, reef habitat was lost, buried by sediment due to logging, manufacturing and agricultural activity in the area. Now, efforts are underway to restore this lost habitat. Read the full story by WNEM-TV – Bay City, MI.