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  • Map
    The harbor of Annapolis Scale 1:60,000. Triangulation by James Ferguson and Ferd. H. Gerdes, assistants ; the hydrography under the direction of George M. Bache, lieutenant U.S. Navy ; typography by F.H. Gerdes, assistant. Relief shown by hachures. Depths shown by contours and soundings. Covers Annapolis region including Severn River and adjacent part of Chesapeake Bay. Available also through the Library of Congress Web site as a raster...
    • Contributor: United States Coast Survey - Bache, A. D. (Alexander Dallas) - Cutts, R. D. (Richard Dominicus) - Ferguson, James - Gerdes, F. H.
    • Date: 1846
  • Map
    Map of the Potomac & Anacostia rivers between Washington D.C. & Alexandria Va. Relief shown by hachures. Depths shown by soundings. "Copied from the tracining [sic] of original and sent to Com'd'r J.A. Dahlgren U.S.N., M.S. Smith, Cap't of Top'l Eng'rs Asst. C.S. in charge of Office, Coast Survey Office, Washington, February 17th 1857." Blue-line print of ms. map. Includes note. "P.W. 1832. Antique." LC copy accompanied by typewritten text of note by "RS 5/9/77." Available also...
    • Contributor: Young, William S. - Upshur, A. P. (Abel Parker) - Whiting, William - Smith, M. S. - United States Coast Survey
    • Date: 1842