Recherche dans la collection - North America - West Coast Vancouver Island & British Columbia Johnstone Straight Sheet 1 (East) : Surveyed by Commander C. H. Simpson R.N., assisted by Lieutenants E.C. Hardy, 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' 1900. With corrections from Canadian Government Charts to 1972. Chancellor, Corduroy and Nodales Channels and Loughborough Inlet from Canadian Government Charts to 1952, with corrections to 1971