More Great Engineering

We get to the end of Lake Superior and the port city of Sault Ste Marie. This is the location of the first (or last, depending on the direction you’re travelling) of the lock systems built to allow ship access between the lakes. In this case (between Lake Superior and Lake Huron), it’s a modest drop of only 7 metres. The old locks on the Canadian side have long been replaced by larger locks on the American side of the connecting riverRead more