Maritime History of the Great Lakes
Lake Huron: Cove Island to Great Duck Island and Entrance to Georgian Bay
Stewart, W. J., Surveyor
Media Type
Item Type
Lake Huron
Cove Island to Great Duck Island
and Entrance to
Georgian Bay
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
  • Ontario, Canada
    Latitude: 45.306666 Longitude: -81.725
  • Ontario, Canada
    Latitude: 45.4277254195533 Longitude: -81.51877296875
  • Ontario, Canada
    Latitude: 45.665555 Longitude: -82.953333
  • Ontario, Canada
    Latitude: 45.3439629367058 Longitude: -82.0701790234375
  • Ontario, Canada
    Latitude: 45.55007 Longitude: -82.01651
Creative Commons licence
pd [more details]
Copyright Statement
Copyright status unknown. Responsibility for determining the copyright status and any use rests exclusively with the user.
Maritime History of the Great Lakes
Powered by / Alimenté par VITA Toolkit

My favourites lets you save items you like, tag them and group them into collections for your own personal use. Viewing "My favourites" will open in a new tab. Login here or start a My favourites account.


Lake Huron: Cove Island to Great Duck Island and Entrance to Georgian Bay