Which is farther north, Lehigh Canal or New Orleans Outfall Canals?
New Orleans Outfall Canals There are three outfall canals in New Orleans, Louisiana – the 17th Street, Orleans Avenue and London Avenue canals. These canals are a critical element of New Orleans’ flood control system, serving as drainage conduits for much of the city. There are 13 mi of levees and floodwalls that line the sides of the canals. The 17th Street Canal is the largest and most important drainage canal and is capable of conveying more water than the Orleans Avenue and London Avenue Canals combined.
Grand Canal d'Alsace The Grand Canal of Alsace (French: "Grand Canal d'Alsace" , German: "Rheinseitenkanal" ) is a canal in eastern France, channeling the Upper Rhine river. It is 50 kilometers (about 30 miles) long between Kembs and Vogelgrun, and provides access to the region from the Rhine River, Basel in Switzerland, and the North Sea for barges of up to about 5000 metric tons. The Grand Canal permits the navigation of more than 30,000 boats a year between Basel and Strasbourg.