North America south side of Cape Breton Island : Madame Id. & Lennox Passage with the Southern entrance of the Gut of Canso /

• Main Authors: Great Britain. Hydrographic Office, issuing body., Potter, J. D. (John Dennett), active 1830-1892, bookseller., Washington, John, 1800-1863, cartographer., Orlebar, J., 1810-1891, surveyor., Bayfield, Henry Wolsey, 1795-1885, surveyor., Great Britain. Admiralty., J. & C. Walker (Firm), engraver.
• Format: Map
• Language: English
• Subjects: Nautical charts; Cartes nautiques; Canada; Breton Island; Canso; Tower Hill
• Online Access: http://hdl.handle.net/2027/mcg.ark:/13960/t5v770w2m

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. Navagational notes. Lighthouses shown in red. Legend for material under soundings. "Sold by J.D. Potter, Agent for the Admiralty Charts, 31 Poultry & 11 King St. Tower Hill." "Engraved by J & C Walker." "Published at the Admiralty April 25th 1860 under the Superintendence of Captn. Washington R.N.F.R.S. Hydrographer." Mounted on linen. Relief shown by hachures and spot heights; depths shown by soundings in fathoms. Mode of access: Internet. Copy in McGill Library’s Rare Books and Special Collections, Map Collection: folded to 67 x 50 cm Copy in McGill Library’s Rare Books and Special Collections, Map Collection: Numbered 94 on verso of map. Index to Bayfield Charts at McGill University 94