City of Washington [cartographic material].Mitchell, S. Augustus (Samuel Augustus), 1792-18681847"Entered according to Act of Congress, in the year 1846, by H.N. Burroughs, in the Clerk's Office of the District Court of the Eastern District of Pennsylvania."At lower right corner: 16.Coordinates not present on map and are approximated.Includes "Plan of the principal floor of the Capitol" and index to points of interest.Label "Columbia College" on top border of map.Shows wards, built-up areas, and major buildings. Also covers Georgetown.cartographic