Lake Huron - North Channel: Clapperton I to Mildram Pt. 
- Media Type
- Item Type
- Lake Huron - North Channel
Clapperton I. to Mildram Pt.
Surveyed by Staff Commander J. G. Boulton, R. N., assisted by Messrs. W. J. Stewart and D. C. Campbell, 1887-8.
under the orders of the
Government of the Dominion of Canada.
Magnetic Variation in 1889, increasing 4' annually.
All bearings are Magnetic
Soundings in Fathoms
(reduced to the mean Summer level.)
South extremity of Round I. in line with Northside of McCallum
London. Published at the Admiralty, 15th Aug. 1889, under the Superintendence of Captain W. J. L. Wharton R. N. F. R. S. Hydrographer.
Sold by J. D. Potter, Agent for the sale of Admiralty Charts, 31 Poultry & 11 King St. Tower Hill
- Great Britain. Admiralty. Hydrographic Office
- Place of Publication
- London, Eng.
- Date of Original
- pub. 15 Aug. 1889
- Language of Item
- Geographic Coverage
Maritime History of the Great Lakes