File:Duquesne Wharf ca. 1912 Pittsburgh.jpg
![File:Duquesne Wharf ca. 1912 Pittsburgh.jpg](https://upload.wikimedia.org/wikipedia/commons/thumb/9/9c/Duquesne_Wharf_ca._1912_Pittsburgh.jpg/800px-Duquesne_Wharf_ca._1912_Pittsburgh.jpg?20181218035435)
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