Map of New-York Bay and Harbor and the environs / founded upon a trigonometrical survey under the direction of F.R. Hassler, superintendent of the Survey of the Coast of the United States; triangulation by James Ferguson and Edmund Blunt assistants; the hydrography under the direction of Thomas R. Gedney, lieutenant U.S. Navy; the topography by C. Renard and T.A. Jenkins assists.; verified by C.M. Eakin, assistant.
Titre complet:Map of New-York Bay and Harbor and the environs / founded upon a trigonometrical survey under the direction of F.R. Hassler, superintendent of the Survey of the Coast of the United States; triangulation by James Ferguson and Edmund Blunt assistants; the hydrography under the direction of Thomas R. Gedney, lieutenant U.S. Navy; the topography by C. Renard and T.A. Jenkins assists.; verified by C.M. Eakin, assistant.