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Author: United States. Coast Survey.
Title: North Shore Long Island Sound From Hammonasset Pt. to Johnson's Pt., Conn by George S. Blake.
Publisher: [Washington] : The Survey, 1838.
1 map; 104 x 128 cm, on 1 sheet
Notes: Bathymetry shown by soundings and isolines. Photocopy of an original manuscript. Standard map series designator: Sounding Sheet No. 35.