General map of the United States, showing the area and extent of the free & slave-holding states, and the territories of the Union [cartographic material] / engraved by W. & A.K. Johnston, Edinburgh
"Entered in Sta. Hall, London - & according to act of Congress in the year 1857 by H.D. Rogers, in the Clerks Office of the District Court of Massachusetts." From the author's Atlas of the United States of North America. 1857. In upper left corner: Atlas of United States &c. In upper right corner: 2.
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Available also through the Library of Congress Web site as a raster image.