Head of navigation of the Potomac River
Relief shown by hachures. Depths shown by contours and soundings. Photocopy of ms. map. Oriented with north toward the upper left. Includes notes. LC copy originally printed on separate sheets, assembled to 1 sheet, thirded, mounted on cloth backing, accompanied by negative photocopy, and annotated in pencil: From negative transferred from War Department. Available also through the Library of Congress Web site as a ...
Abert, S. T. (Silvanus Thayer) - Graham, Campbell - United States. Army. Corps of Topographical Engineers
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 ...
Young, William S. - Upshur, A. P. (Abel Parker) - Whiting, William - Smith, M. S. - United States Coast Survey
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 ...
United States Coast Survey - Bache, A. D. (Alexander Dallas) - Cutts, R. D. (Richard Dominicus) - Ferguson, James - Gerdes, F. H.