A map from 1919 of Montreal at the confluence of the Ottawa and St. Lawrence Rivers and vicinity, showing the city, railroads, the Island of Montreal, Isle of Jesus, Perrot Island, Riviere des Prairies, Lake St. Francis and Lake St. Louis, and the neighboring cities and towns of Longueil, Varennes, St. Hubert, La Prairie, St. John's, La Chine, Caughnawaga, Ormstown, and St. Anne.