Plate XV. Diagram showing movement of vessels through Poe Lock and Approaches St. Marys Falls Canal, Michigan

Board of Consulting Engineers Panama Canal - Lock Canal project. Diagram showing movement of vessels through Poe Lock and Approaches St. Marys Falls Canal, Michigan, for Month of September 1905. Julius Bien & Co. N.Y. (to accompany) Report of Board of Consulting Engineers for Panama Canal, maps and diagrams. (with) Report of Board of Consulting Engineers for Panama Canal. Washington : government Printing Office, 1906.

United States. Board of Consulting Engineers for Panama Canal

1905

1906

Government Printing Office

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