Download this FREE e-Book, and enjoy fascinating detail on the United States Coast Guard on the Great Lakes. NIGHT OWL REVIEWS noted: "Another great resource for researchers from USCG historian, Thomas P. Ostrom." This time, Ostrom focuses on lighthouses, life-saving, law enforcement, aids to navigation, environmental protection, commerce, ice breaking, port security, and national defense from the 19th Century to the present. Download it now!