North America, East Coast : Block Id. to Great Egg Hr. including Long Island Sound /

• Main Authors: Great Britain. Hydrographic Office, issuing body., Potter, J. D. (John Dennett), active 1830-1892, bookseller., Bayfield, Henry Wolsey, 1795-1885., Washington, John, 1800-1863, cartographer., United States Coast Survey., Great Britain. Admiralty., J. & C. Walker (Firm), engraver.
• Format: Map
• Language: English
• Subjects: Nautical charts; Cartes nautiques; Canada; Long Island; Long Island Sound; Tower Hill; Fisher Island
• Online Access: http://hdl.handle.net/2027/mcg.ark:/13960/t4xh75s8b

Early Canadian nautical maps were referred to as "Bayfield charts" in honour of Henry Wolsey Bayfield who began in the early 1800s charting the waterways of Canada. "Sold by J.D. Potter, Agent for the Admiralty Charts, 31 Poultry & 11 King St. Tower Hill." "Engraved by J & C Walker." Mounted on linen. Includes two inset maps: Fisher Island Sound and Little Egg Harbour. Lighthouses shown in red. Legend for material under soundings. Relief shown by hachures; depths shown by soundings in fathoms. "Published at the Admiralty 30th Jany. 1857 under the Superintendence of Captn. Washington R.N.F.R.S. Hydrographer." Mode of access: Internet. Copy in McGill Library’s Rare Books and Special Collections, Map Collection: Numbered 131 on verso of map. Copy in McGill Library’s Rare Books and Special Collections, Map Collection: folded to 68 x 50. Index to Bayfield Charts at McGill University 131