Summary: | 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 Three Shillings." Mounted on linen. Includes one inset map: Great Bras D'Or enlarged scale. Notes on navigation. Lighthouses shown in red. Legend for material under the soundings: blue, clay, gravel, mud, rock, sand. Relief shown by hachures and spot heights; depths shown by soundings in fathoms. "Published at the Admiralty, April 10th 1860 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 61 on verso of map. Index to Bayfield Charts at McGill University 61
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