Relief shown by hachures. "Entered according to Act of Congress in the Year 1860 by G. Woolworth Colton in the Clerks Office of the District Court of the United States for the Southern District of New York." Colored to show principal and proposed connections. Inset: [Northeastern United States]. Scale [ca. 1:7,600,000]. Includes table of distances. Electronic reproduction. Cambridge, Mass. : Harvard Geospatial Library, 2014. Georeferenced image for use in a GIS.
Relief shown by hachures. "Entered according to Act of Congress in the Year 1860 by G. Woolworth Colton in the Clerks Office of the District Court of the United States for the Southern District of New York." Colored to show principal and proposed connections. Inset: [Northeastern United States]. Scale [ca. 1:7,600,000]. Includes table of distances. Electronic reproduction. Cambridge, Mass. : Harvard Geospatial Library, 2014. Georeferenced image for use in a GIS.