Covers Annapolis region including Severn River and adjacent part of Chesapeake Bay. Relief shown by hachures. Depths shown by shading and soundings. "Buoys corrected to 1874." Facsimile. Original version: 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. [Washington?] : The Survey, [1874]. [1st ed.] Published in 1846. No. 385. Includes text, notes in margins, statistical data, and 4 coastal panoramas. Publisher's no.: BiC-29. Available also through the Library of Congress Web site as a raster image.
United States Coast Survey; Bache, A. D. (Alexander Dallas); United States. National Ocean Service
1874
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