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- Nautical Charts12
- Topographical Engineers12
- Corps of Engineers6
- Charles E. Bird, Tugboat4
- Lake Superior4
- Sault Ste. Marie4
- Soo Locks4
- St. Mary's River4
- Army Corps of Engineers2
- Chenal A Bout Rond2
- Delray2
- Detroit River2
- Eagle Harbor2
- Fort Howard2
- Fort Wayne2
- Fox River2
- Green Bay2
- Indian Mounds2
- Middle Channel2
- North Channel2