DESCRIPTION: Collection of thirteen 1859 United States coastal survey maps from a trigonometrical survey. Includes: St. Mary's River, Maryland; New York Bay and Hudson River; Port Royal Entrance of South Carolina; the Rigolet of Louisiana; diagrams showing the results of the Gulf Stream Explorations; Gulf of Mexico, sketch one, along the Texas coast; Sketch showing the progress of the survey on the Atlantic Gulf of Mexico and the Pacific Coast; Lynn Harbor, Massachusetts; Lines of magnetic variation for the year 1858; Preliminary chart of the Patuxent River; Hempstead Harbor, Long Island; Florida coastline; and the Chesapeake Bay. MEASUREMENTS: Various. Range from approximately 21" x 15" to 36" x 25-1/2". CONDITION: Toning, discoloration, and watermarks to some edges. Crease lines with losses. Chipping to edges of papers.