Canada - West Coast Vancouver Island and British Columbia Johnstone Strait Sheet 3 (West) : Surveyed by Commander C. H. Simpson R.N., assisted by Lieutenants F.H. Walter, W.T.P. Wilson, J.R. Lay, Sub-Lieutenant, J.S. Harris & Mr. G.H. Alexander, R.N., H.M. Surveying Ship 'Egeria' 1901. With corrections from Canadian Government Charts 1960

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