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The history, engineering, and costs of the rail tunnel between Windsor and Detroit; Institution of Civil Engineers, Session 1910-1911, Part 3, Section 1: Paper 3915 (February 7th, 1911).
The Institution of Civil Engineers
Tunnels, Windsor, Detroit, Detroit River, Railways, Railroads, International Border Crossings
Canadian History | History | United States History
Wilgus, William John, "Detroit River Tunnel Between Detroit, Michigan, and Windsor, Canada" (1911). SWODA: Windsor & Region Publications. 4.