Canada - West Coast British Columbia Edye Passage to Portland Inlet : From Surveys by Captains F.C. Learmonth, R.N. and J.F. Parry, R.N. and the officers of H.M. Surveying Ship 'Egeria', 1907-9. Approaches to Prince Rupert Harbour from Canadian Government Surveys of 1906-7. North of Portland Inlet from the United States Government Charts of 1910. Additions for surveys by Capt. G.H. Richards, R.N., 1862, and Nav. Lieut. D. Pender, R.N., 1867-8. Additions and corrections to 1964

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