Recherche dans la collection - The Gulf of St. Lawrence, Sheet X, Cape Breton Island [cartographic material] / surveyed by Captn. H.W. Bayfield, R.N., assisted by Comr. Orlebar, Lieut. J. Hancock, W. Forbes, Mastr. & T Des Brisay, Mast. Assist. R.N., 1847-57, with corrections from Canadian government charts to 1937

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