| Lake Superior - St. Marys River - Sault Ste. Marie, Michigan, USA - August 11, 1989 |
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| Photographed while towing an unknown barge on the lower St. Marys River near Round Island. |
| More details and photos for: Lake Superior |
| Fleet: | United States Army Corps of Engineers - Washington, D.C. | IMO: | | |
| Owner: | United States Army Corps of Engineers | Category: | Tug |
| Manager: | | Port/Flag: | Duluth, Minnesota, United States |
| Dimensions: | Length (oa): 34.7 m (114.0 ft) Length (lbp): 32.6 m (107.0 ft) Beam: 7.7 m (25.18 ft) Depth: 4.1 m (13.6 ft) Draft: 3.6 m (11.9 ft) | Call Sign: | |
| Built: | Tampa Marine Corporation, Tampa, Florida, United States - Entered service in 1943 |
| Names: | USAV Major Emil H. Block (LT-18) (1950/01), Lake Superior |
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| Photographer: | Tom Salvner - Ann Arbor, Michigan, USA | Collection: | Late Tom Salvner Collection (1949-2022) (Ann Arbor, Michigan, USA) |
| Format: | Kodachrome slide | Views: | 11 | |
| Uploaded: | 2026-02-16 11:51 PM by Jeff Cameron |
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