Collection search - River St. Lawrence, above Quebec, Point du Lac to Lachine Rapids [cartographic material] / surveyed by Capt. H.W. Bayfield R.N., 1831-37, re-examined by Commr. J. Orlebar R.N., assisted by Commr. Hancock, Messrs. Des Brisay, Carey and Clifton R.N., 1859, corrected from plans published by the Montreal Harbour Commissioners, 1891

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