Lake Erie is connected to Lake Ontario by which canal?
Lake Erie occurs via the Welland Canal, part of the St. Lawrence Seaway, which diverts water for ship passages from Port Colborne, Ontario on Lake Erie, to St. Catharines on Lake Ontario, an elevation difference of . Lake Erie's environmental health has been an ongoing concern for decades, with issues such as overfishing, pollution, algae blooms, and eutrophication generating headlines. Lake Erie (42.2° N, 81.2W) has a mean elevation of above sea level. It has a surface area of with a length of and breadth of at its widest points. It is the shallowest of the Great Lakes with an average depth
Erie Canal the "Old Erie Canal", to distinguish it from the canal's modern-day course. Existing remains of the 1825 canal abandoned during the Enlargement are sometimes referred to today as "Clinton's Ditch" (which was also the popular nickname for the entire Erie Canal project during its original 1817–1825 construction). Additional feeder canals soon extended the Erie Canal into a system. These included the Cayuga-Seneca Canal south to the Finger Lakes, the Oswego Canal from Three Rivers north to Lake Ontario at Oswego, and the Champlain Canal from Troy north to Lake Champlain. From 1833 to 1877, the short Crooked Lake Canal connected