"Degrees of longitude west from London."; Relief shown pictorially.; Scale determined by conversion of graphic scale (British miles).; Three graphic scales: British miles; Nautic leagues; and Canadian leagues about two miles each.; Four inset maps: A particular survey of the isles of Montreal; The city of Quebec; Course of the river St. Laurence, from La Valterie to Quebec; and Plan of Montreal, or Villemarie. 49 x 67 Centimeters Scale approximately 1:2,252,800 General Map Collection