Geography of the United States York City, and includes the Florida peninsula. Areas further inland feature rolling hills, mountains, and a diverse collection of temperate and subtropical moist and wet forests. The Appalachian Mountains form a line of low mountains separating the eastern seaboard from the Great Lakes and the Mississippi Basin. The five Great Lakes are located in the north-central portion of the country, four of them forming part of the border with Canada, only Lake Michigan situated entirely within United States. The southeast United States, generally stretching from the Ohio River on south, includes a variety of warm temperate and subtropical moist and
Marine Museum of the Great Lakes history of the Calvin and Son shipyard which once employed 700 workers on Garden Island. The museum has photographed historic shipwrecks at risk of being hidden by encrustations of zebra mussels which infested the Great Lakes in the 1990s. Archaeological exhibits commemorating the War of 1812 on the Great Lakes were added for that war's bicentennial. Publications of the museum include "FreshWater", a journal of Great Lakes marine history, a "Jib Gems" museum newsletter and several books on local marine history. Extensive archives and collections are maintained with the assistance of Queen's University, documenting 19th and 20th century Canadian Great