27 x 48" Oceanic Navigation Chart from updated sources starting in the 1868 Office of Hydrography for the British Admiralty and being used and updated by NOAA or USC &GS Or other American or Foreign Naval sources in duration. Fine detailed condition . Manuscript additions evident in pencil from last use of 1978. This sheet covers
the east coast of Vancouver Island and the m,outh of the Frasier River into Georgia straights.
