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 ;
Full title: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 ;