St. Lawrence River Montreal Quebec City Three Rivers 1828 Throop miniature mapMap of the St. Lawrence River from Montreal to Quebec. (Old Maps, 19th Century Maps, Canada, St. Lawrence River, Montreal, Three Rivers, Quebec City). Issued 1828, New York. Engraved by Throop. Charming and early American engraved map. Nice looking example, sheet is well toned with some light offsetting, still a very pleasing age patina, any minor age flaws easy to overlook or forgive. Sheet measures c. 6" H x 3 1 2" W. Engraved area measures c. 5 1