(Complete 3-Sheet chart set, US Coast Survey): Long Island Sound

Washington (DC): US Coast Survey, 1866. Near fine set of all 3 sheets (sheets 13-15 numbered on verso), folds as issued, thin paper, almost no browning, b&w as issued, of this landmark survey of Long Island Sound. This set is from the 1855 survey, published in the 1864 Report of the Superintendent of the Coast Survey, issued in 1866 (ref: see Guthorn, United States Coastal Charts, p. 65). The 3 sheets are: 1. Eastern Part of Long Island Sound...under the direction of F.R. Hassler...second edition 1855 (Engs. S. SIebert, A. Rolle, J. Knight & W. Smith) 2. Middle Part of Long Island Sound...published in 1855 [small coastal views of New Haven and Saybrook light-houses] 3. Long Island SOund (Western Sheet)...published 1855 [small coastal views of Eaton's NEck, Sands Point, Captain's I., Old Field Point, and Stratford Point light-houses; inset upper left of "Continuation from Throg's Neck to the City of New York."] Detailed depth soundings on all sheets, with sailing directions and dangers noted. Each image measures approximately 63 x 88 cm (24.75 x 34.5 inches). Finding a full set in this condition is increasingly unusual. Scale 1:80,000.. Second Edition. Near Fine. Map.