Abstract
An exhibit reflecting the history of exploration and mapping of the United States from the early surveys of he western frontier to examples of modern space age mapping will be on public display from June 20 to October 15,1979, in the National Archives building, Pennsylvania Avenue and Eighth Street, N. W., Washington, D.C.The exhibit, consisting of panels, photographs, original documents, paintings, and maps, is a cooperative effort by the National Archives and the U.S. Geological Survey in recognition of the Survey's centennial year.
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