An exact chart of the river St. Laurence, from Fort Frontenac to the Island of Anticosti shewing the soundings, rocks, shoals, &c with views of the lands and all necessary instructions for navigating that river to Quebec.

Map depicting the St. Lawrence River with text describing features and navigation of the river. Relief shown pictorially. Includes insets depicting The Seven Islands, A Continuation of the River from Quebec to Lake Ontario, St. Nicholas or English Harbor, A View of the Lands from Cape Torment to the Butt, The Traverse or Passage from Cape Torment into the South Channel of Orleans Island, The Road of Tadousac, and The Mountains of our Lady or Notre Dame. Ornate title cartouche and inset borders. Outline coloured. Near bottom centre: "London, Printed for Robt. Sayer, Map & Printseller, No. 53, Fleet Street, as the Act directs. 25 May, 1775."