Recherche dans la collection - Welland Ship Canal. Traffic chart for November 29th, 1932. Office of Engineer in Charge, St. Catharines, Ont. Made by G.H.C. Submitted [by] A. L. Mudge, Senior Electrical Engineer. Recommended [by] Frank E. Sterns, Designing Engineer. January 5th, 1933. Maps & Profiles, no. 42. [cartographic material]

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