Recherche dans la collection - Strait of Juan de Frica and the channels between the Continent & Vancouver Island, showing the boundary line between British & American possessions, from the Admiralty Surveys by Captains H. Kellett, R.N. 1847 & G.H. Richards, R.N. 1858-1862 North America - West Coast. Drawn by Edward J. porriel of the hydrographic Office. [cartographic material]

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