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       Author Bache, A. D. Full Title Sea Coast of Delaware, Maryland and part of Virginia. From a trigonometrical survey under the direction of A.D. Bache, Superintendent of the Survey of the Coast of the United States. Triangulation by J. Farley, E. Blunt & J.E. Johnstone, Capt. Top. Engrs., assistants. Topography by J.J.S. Hassler & G.D. Wise, assts. & W.M. Johnson, sub. asst. Hydrography by the parties under the command of T.R. Gedney, Lieuts. G.M. Bache, S.P. Lee, R. Bache & J.J. Almy, U.S. Navy, assistants U.S. Coast Survey. Published in 1852. Publisher U.S. 
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