Lake Huron: Cove Island to Great Duck Island and Entrance to Georgian Bay
- Stewart, W. J., Surveyor
- Media Type
- Item Type
Cove Island to Great Duck Island
and Entrance to
Surveyed by Mr. W. J. Stewart, assisted by Messrs. F. Anderson, J. F. Fraser and R. E. Tyrwhitt, 1898-9,
East of Michael Bay surveyed by Staff Commander J. G. Boulton, R. N., and Mr. W. J. Stewart, 1884-99,
under the orders of the
Government of the Dominion of Canada
All heights are expressed in feet above the mean level of the Lake.
Magnetic Variation in 1906, increasing about 4' annually.
All Bearings are Magnetic
Soundings in Fathoms
The Datum to which the soundings are reduced, the mean level of the Lake for 1897-8, in 580.1 feet above mean tide New York or 1.16 feet below the general mean surface or 3 1/2 feet below a [mark] cut in the rock on south side of the south range Lighthouse at South Bay Mouth.
South Bay Mouth
London. Published at the Admiralty, 26th Apr. 1901, under the Superintendence of Rear Admiral Sir W. J. L. Wharton K. C. B., F. R. S. Hydrographer.
Sold by J. D. Potter, Agent for the sale of Admiralty Charts, 145 Minories
Engraved by Davies & Company
- Great Britain. Admiralty. Hydrographic Office
- Place of Publication
- London, Eng.
- Date of Original
- pub. 26 April 1901
- Date Of Event
- survey: 1884-99
- Language of Item
- Geographic Coverage
Maritime History of the Great Lakes