USA Map Atlas is a comprehensive atlas which is providing a range of Map on USA. The United States of America is federal constitutional republic which comprising fifty states and a federal district. The United States of America is situated in Central North America. The USA 48 states is lying between Pacific and Atlantic Oceans and surrounded by Canada to the north and Mexico to the south. The Unites States of America is covering around 9,826,675 sq.km and as per the census 2010 population of USA is 308,745,538.
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