"created in 1784, has been purchased for the record price of $1.8 million by Washington philanthropist D.M. Rubenstein, who is lending it to the Library of Congress." Created right after the Treaty of Paris, which marked the formal end of the American Revolutionary War, the Buell map shows the new country. "It covers the territory of the 13 colonies and an area east of the Mississippi River. The state boundaries are quite larger. Virginia, for example, extends from the Chesapeake Bay to the Ohio River,"
See more information:
http://www.washingtonpost.com/wp-dyn/content/article/2011/01/30/AR2011013003337.html?hpid=sec-artsliving.