Great Lakes passenger steamers the lakes grew in size and number, and additional decks were built on the superstructure to allow more capacity. This inexpensive method of adding capacity was adapted from river steamboats and successfully applied to lake-going craft. The Erie Canal opened in 1825, allowing settlers from New England and New York to reach Michigan by water through Albany and Buffalo. This route opening and the incorporation of Chicago in 1837, increased Great Lakes steamboat traffic from Detroit through the straits of Mackinaw to Chicago. The screw propeller was introduced to the Great Lakes by "Vandalia" in 1842 and allowed the building
Krivaja (Great Bačka Canal) At the town of Srbobran, the Krivaja turns east, carving a shallow, 15 km long valley, in which it meanders for 33 km before it empties into the Great Bačka Canal, part of the Canal Danube-Tisa-Danube. Total meandering ratio of the whole river is 65:109 (in the valley 15:33), thus the name ("Krivaja"; Serbian for "winding river"). The village of Turija stands on the Krivaja's mouth into the canal, at an altitude of 76 m. The Krivaja drains an area of 956 km, belongs to the Black Sea drainage basin and it is not navigable. Krivaja (Great Bačka Canal) The