1864 Chesapeake Bay

Chesapeak Bay. Sheet 6, from the mouth of York River to the entrance to bay. From a trigonometrical survey under the direction of A. D. Bache, Superintendent of the survey of the coast of the United States. Triangulation by E. Blunt & J. Farley, Assistants. Topography by J. J. S. Hassler, G. D. Wise, J. Seib, Assts. & J. Mechan, Sub-Asst. Hydrography by the party under the command of Lieut. Comdg. J. J. Almy, U.S.N. Assistant. [Washington U.S U.S. Coast Survey] 1863. Scale 1:80,000. From its Rep