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 ...
United States Coast Survey - Bache, A. D. (Alexander Dallas) - Cutts, R. D. (Richard Dominicus) - Ferguson, James - Gerdes, F. H.