Recherche dans la collection - Map of the St Lawrence and estuary of the St Maurice opposite Three Rivers showing proposed by the petitioners for the establishment of a Harbour Commission in that city according to survey ordered by Sir Hector L. Langevin Minister of Public Works in 1881-82. H.F. Perley, Chief Engineer Public Works, Ottawa, 21st February 1882. R. Steskel, Engr in charge of Survey. Thos. Berlinguet, Asst. Engr. Eugène D. Lafleur, Dftn. Enlarged plan of shoal proposed to be removed to 25 feet depth. Enlarged plan of lower arm of St Maurice showing proposed basin for the shelter of sea-going vessels late in the fall. [cartographic material]

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