Soo Locks. Gates of the MacArthur lock opening for an upbound ship at the Soo Locks Sault Ste Marie, Michigan, USA. These locks on the St. Mary's River enable shipping between Lake Superior and the lower Great Lakes. They are operated by the US Army Corps of Engineers, and raise or lower ships 21 feet. | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / West, Jim |
Taille de l’image : | 6127 px × 4085 px |
Model Release : | Non requis |
Property Release : | Non requis |
Restrictions : | - |