Plans of the River St. Lawrence : below Quebec from Pointe Quelle to Seal Islands including Coudres Island

• 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; Canada; Seal Islands; Tower Hill
• Online Access: http://hdl.handle.net/2027/mcg.ark:/13960/t6b35fc8n

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." "Price Eighteenpence." "Published according to Act of Parliament at the Hydrographic Office of the Admiralty Decr. 1st 1837." Mounted on linen. "J & C Walker Sculpt." Includes three coastal profiles. Lighthouses and fog bell shown in red. Notes on tides. Scale in Nautic Miles. 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: Numbered 81 on verso of map. Index to Bayfield Charts at McGill University 81