Collection search - British Columbia. Queen Charlotte Islands - Port Louis to Parry Passage [cartographic material] / from surveys by Captain F.C. Learmonth and the Officers of H.M.S. surveying ship 'Egeria', 1907 and Lieut. Commr. P.C. Musgrave R.N. and the Officers of the Canadian government surveying ship 'Lillooet', 1911-15