Great Lakes these waterways is heavy. Pleasure boats can also enter or exit the Great Lakes by way of the Erie Canal and Hudson River in New York. The Erie Canal connects to the Great Lakes at the east end of Lake Erie (at Buffalo, New York) and at the south side of Lake Ontario (at Oswego, New York). In 2009, the lakes contained 84% of the surface freshwater of North America; if the water were evenly distributed over the entire continent's land area, it would reach a depth of 1.5 meters (5 feet). The source of water levels in the lakes
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