Alliance for the Great Lakes Lake Michigan lake bottom by the Illinois legislature to a prominent Chicago university, despite disagreement about the move from other environmental organizations. Decades later, the case "Lake Michigan Federation v. U.S. Army Corps of Engineers" is a seminal decision under the Public Trust Doctrine, which prohibits the sale of public Great Lakes resources to private entities. In 2002 and again in 2008, the Alliance helped write and partner with business interests to pass the Great Lakes Legacy Act to fund Area of Concern cleanups. It helped write and pass the Great Lakes Basin Water Resources Compact to set water conservation
Largest shipwrecks on the Great Lakes known. The Great Lakes Shipwreck Museum estimates that about 6,000 shipwrecks lie beneath the surface of the lakes, while maritime historian Mark Thompson reckons that more than 25,000 shipwrecks are located in the waters of the Great Lakes. ! scope="col"|Ship ! scope="col"|In service ! scope="col"|Out of service ! scope="col"|Length (ft) ! scope="col"|Vessel type ! scope="col"|Launched ! scope="col"|Final disposition ! scope="col"|Notes ! scope="col"|Coordinates !scope="row"|"SS Leecliffe Hall !scope="row"|"SS Edmund Fitzgerald !scope="row"|"SS Carl D. Bradley !scope="row"|"SS Daniel J. Morrell !scope="row"|"SS William C Moreland !scope="row"|"SS Cedarville !scope="row"|"SS Chester A. Congdon !scope="row"|"SS D.R. Hanna !scope="row"|"SS James C. Carruthers !scope="row"|"SS Henry B. Smith !scope="row"|"SS Emperor !scope="row"|"SS