| St Marys Challenger - Lake Huron above Point Edward - July 12, 2024 | 
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| St Marys Challenger and Prentiss Brown. Lake Huron. July 12 2024 | 
| More details and photos for: St Marys Challenger | 
| Fleet: |  | IMO: | 5009984 |  | 
| Owner: |  | Category: | Cement Carrier | 
| Manager: |  | Port/Flag: | United States | 
| Dimensions: | Length (oa): 168.2 m (552.0 ft) Beam: 17.1 m (56.1 ft) Depth: 9.8 m (32.0 ft) | Call Sign: |  | 
| Built: | Great Lakes Engineering Works, Ecorse, Michigan - Entered service on 1906/04/26 | 
| Names: | William P. Snyder (1926), Elton Hoyt II (1952), Alex D. Chisholm (1966), Medusa Challenger (1999), Southdown Challenger (2006), St. Marys Challenger | 
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| Photographer: | Terry McCullough - Sarnia, Ontario, Canada | Collection: | Terry McCullough Collection (Sarnia, Ontario, Canada) | 
| Format: | Digital - Canon D60 | Views: | 15 |  | 
| Uploaded: | 2025-08-26 5:53 PM by Terry McCullough | 
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