North America Breton Island : Sydney Harbour /

• Main Authors: Great Britain. Hydrographic Office, issuing body., Potter, J. D. (John Dennett), active 1830-1892, bookseller., Bayfield, Henry Wolsey, 1795-1885, surveyor., Great Britain. Admiralty., J. & C. Walker (Firm), engraver.
• Format: Map
• Language: English
• Subjects: Nautical charts; Cartes nautiques; Breton Island; Canada
• Online Access: http://hdl.handle.net/2027/mcg.ark:/13960/t60654f6s

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." "Engraved by J & C Walker." "Price One & Sixpence." Includes one inset map: Continuation of the South Arm. Includes one coastal profile: Entrance to Sydney Harbour. Mounted on linen. Scale in sea miles. Legend for material under the soundings: coral, gravel, mud, rock, sand, shells and stones. Relief shown by hachures and spot heights; depths shown by soundings in feet. "Published according to Act of Parliament at the Hydrographic Office of the Admiralty, March 20th 1851." Mode of access: Internet. Copy in McGill Library’s Rare Books and Special Collections, Map Collection: Numbered 60 on verso of map. Index to Bayfield Charts at McGill University 60