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 / by ... Thos. Jefferys.Jefferys, Thomas, d. 177125 May, 1775.Appears in Thomas Kitchin's General atlas describing the whole universe.Includes text.Insets: The Seven Islands -- A continuation of the river from Quebec to Lake Ontario -- St. Nicholas or English Harbor -- The mountains of our Lady or Notre Dame -- Thcartographic