Georgian Bay to Clapperton Island 
- Media Type
- Item Type
- Canada - Lake Huron
Georgian Bay to Clapperton Island
Surveyed by Staff Commander J. G. Boulton, R. N., assisted by Messrs. W. J. Stewart and D. C. Campbell, 1885
under the orders of the
Government of the Dominion of Canada
The portion engraved lightly is taken from a Survey by Lieut' H. W. Bayfield, R N., 1822
Figures on the land and those bracketed against islands and rock
show the heights in feet above the mean Summer surface of the Bay.
Magnetic Variation in 1886, increasing 3' annually.
All bearings are Magnetic.
Soundings in Fathoms
(reduced to the mean Summer level of the Bay)
Crosses indicate less than 6 feet of water.
Only the principal leading marks are engraved upon the chart to avoid confusion; for clearing marks more in detail see the Sailing Directions published by the Government of Canada.
London. Published at the Admiralty, 20th May 1887, 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
Engraved by Davies & Company
- Great Britain. Admiralty. Hydrographic Office
- Place of Publication
- London, Eng.
- Date of Original
- pub. 20 May 1887
- Language of Item
- Geographic Coverage
Maritime History of the Great Lakes