Soo Locks. Worker in the Soo Locks visitor centre, Sault Ste Marie, Michigan, USA, recording expected arrival times for vessels. The Soo 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. | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / West, Jim |
Bildgröße: | 5120 px × 3413 px |
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Eigentums-Rechte: | nicht erforderlich |
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