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1920s U. S. Coast Survey Nautical Chart or Maritime Map of Long Island Sound

Long Island Sound (Western Sheet). - Main View

1920s U. S. Coast Survey Nautical Chart or Maritime Map of Long Island Sound


Beautiful restrike of the first edition copper plate of the Long Island Sound chart - includes NYC.


Long Island Sound (Western Sheet).
  1920 (dated 1855)     28.5 x 39 in (72.39 x 99.06 cm)     1 : 80000


This is a c.1920s restrike of the first edition 1855 United States Coast Survey nautical chart or maritime map of Long Island Sound. Depicting Long Island Sound from Throggs Neck to Charles Island (off the coast of Connecticut) and Miller's Place on Long Island, as well as Manhattan and New York Bay, this beautiful map represents the 'end of an era' for the United States Coast Survey.

Final issue of 19th Century Coast Survey Charts

In the 1920s or 1930s, when the U.S. Coast Survey decided to destroy all of their original copper printing plates, the decision was made to print a 'last run' from each of these plates. The imprints differed greatly from other versions of Coast Survey maps. The first issues of the coast survey charts were printed using the electrotype process, but as this map was printed using the original metal plates, the imprint is much cleaner, making this final run off the plats exceptionally decorative and desirable.

Highly detailed and meticulously engraved, myriad depth soundings fill Long Island Sound (this map was originally created to be used on board ships as a navigation aid). Islands, peninsulas, and points along both coastlines are labeled, along with numerous harbors and coves. Individual farms are illustrated, as well as forests, hills, and other physical features. Towns and cities dot the landscape, with individual homesteads appearing here and there. Views of the Stratford Point Light House are included along the top border, as well as views of the light houses at Eaton's Neck, Sand's Point, Captain's Island, and Old Field Point along the bottom border. Tables concerning the direction and force of tides, variations of the magnetic needle, the location of light houses in the region, and tides are also included. Sailing directions and notes on dangers along both the north and south shores of Long Island Sound are situated in the lower right corner.

An inset map depicting from Throggs Neck to the Manhattan is included in the upper left. Again, myriad depth soundings are present in both the Hudson and East Rivers and in New York Harbor. Manhattan (labeled as the City of New York) is fully laid out in a grid, while both Williamsburg and Brooklyn only occupy a small portion of Long Island. Jersey City, Hoboken, Governor's Island, Buttermilk Channel, Blackwell's Island, Riker's Island, and Flushing are also present.

This restrike was produced in the 1920s from the original first edition 1855 copper plate of the United States Coast Survey nautical chart of Long Island Sound. The chart was produced under the direction of F. R. Hassler and A. D. Bache, the Superintendents of the Coast Survey of the United States, with triangulation, topography, and hydrography work completed by several teams of workers and their assistants.


The Office of the Coast Survey (1807 - present) founded in 1807 by President Thomas Jefferson and Secretary of Commerce Albert Gallatin, is the oldest scientific organization in the U.S. Federal Government. Jefferson created the "Survey of the Coast," as it was then called, in response to a need for accurate navigational charts of the new nation's coasts and harbors. The spirit of the Coast Survey was defined by its first two superintendents. The first superintendent of the Coast Survey was Swiss immigrant and West Point mathematics professor Ferdinand Hassler. Under the direction of Hassler, from 1816 to 1843, the ideological and scientific foundations for the Coast Survey were established. These included using the most advanced techniques and most sophisticated equipment as well as an unstinting attention to detail. Hassler devised a labor intensive triangulation system whereby the entire coast was divided into a series of enormous triangles. These were in turn subdivided into smaller triangulation units that were then individually surveyed. Employing this exacting technique on such a massive scale had never before been attempted. Consequently, Hassler and the Coast Survey under him developed a reputation for uncompromising dedication to the principles of accuracy and excellence. Unfortunately, despite being a masterful surveyor, Hassler was abrasive and politically unpopular, twice losing congressional funding for the Coast Survey. Nonetheless, Hassler led the Coast Survey until his death in 1843, at which time Alexander Dallas Bache, a great-grandson of Benjamin Franklin, took the helm. Bache was fully dedicated to the principles established by Hassler, but proved more politically astute and successfully lobbied Congress to liberally fund the endeavor. Under the leadership of A. D. Bache, the Coast Survey completed its most important work. Moreover, during his long tenure with the Coast Survey, from 1843 to 1865, Bache was a steadfast advocate of American science and navigation and in fact founded the American Academy of Sciences. Bache was succeeded by Benjamin Pierce who ran the Survey from 1867 to 1874. Pierce was in turn succeeded by Carlile Pollock Patterson who was Superintendent from 1874 to 1881. In 1878, under Patterson's superintendence, the U.S. Coast Survey was reorganized as the U.S. Coast and Geodetic Survey (C & GS) to accommodate topographic as well as nautical surveys. Today the Coast Survey is part of the National Oceanic and Atmospheric Administration or NOAA as the National Geodetic Survey. Learn More...

Alexander Dallas Bache (July 19, 1806 - February 17, 1867) was an American physicist, scientist and surveyor. Bache is best known in cartographic circles as the Superintendent of the U.S. Coast Survey from 1843 to 1865. Born in Philadelphia, Bache, a great grandson of the statesman and inventor Benjamin Franklin, had a varied career primarily focused on education. He toured Europe on behalf of Girard College and composed an important treatise on European Education. Later he served as president of Philadelphia's Central High School and was a professor of natural history and chemistry at the University of Pennsylvania. On the death of Ferdinand Rudolph Hassler, Bache was appointed Superintendent of the United States Coast Survey. Picking up where Hassler left off Bache presided over the Survey during its most prolific period and oversaw the mapping of most of the United States coastline. To this day his name appears on countless marine pilot books and U.S. Coast Survey nautical charts. For his work he was elected Associate Fellow of the American Academy of Arts and Sciences, a Fellow of the Royal Society of Edinburgh, and a Foreign Member of the Royal Society. Following the Civil War, Bache was elected a 3rd Class Companion of the Military Order of the Loyal Legion of the United States. He died at Newport, Rhode Island and was buried in the Congressional Cemetery in Washington, DC, where he is commemorated with a monument built by American architect Henry Hobson Richardson. Learn More...


Very good. Even overall toning. Original plate mark visible. Blank on verso.