1. 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 Yale Public content 1775. 2008-06-27T19:31:25Z. 2020-08-18T17:38:42Z. Jefferys, Thomas, -1771, cartographer. Printed for Robt. Sayer, map & printseller. CtY-BR. English. Public. Saint Lawrence River and Saint Lawrence River Valley.