Relief shown by hachures. "Entered according to act of Congress in the year 1855 by J. H. Colton &amp; Co. ... New York." Prime meridians: Greenwich and Washington. Appears in: Colton's general atlas : containing one hundred and eighty steel plate maps and plans on one hundred imperial folio sheets. New York : J.H. Colton, 1860. At lower right: No. 33. Available also through the Library of Congress Web site as a raster image.
J.H. Colton &amp; Co.
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