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
Native Americans in the United States is a category that more often includes only the cultures in Eurasia, Africa, and other regions. The archaeological periods used are the classifications of archaeological periods and cultures established in Gordon Willey and Philip Phillips' 1958 book "Method and Theory in American Archaeology". They divided the archaeological record in the Americas into five phases; see Archaeology of the Americas. Numerous Paleoindian cultures occupied North America, with some arrayed around the Great Plains and Great Lakes of the modern United States and Canada, as well as adjacent areas to the West and Southwest. According to the oral histories of many of