Recherche dans la collection - Canada - West Coast. British Columbia. Queen Charlotte and Johnstone Straights and Adjacent Channels. : Johnstone and Broughton Straits surveyed by Commander C.H. Simpson, R.N. H.M. Surveying Ship "Egeria" 1901-2. Queen Charlotte straight from Canadian Government Charts to 1956. The remainder principally from surveys by D. Pender, Master R.N. 1863-5. Adjusted to positions supplied by the Geodetic Survey of Canada 1930. With additions and corrections from Canadian Government Charts to 1957

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