Maritime History of the Great Lakes
Upper Canada: Plans of Ports in Lake Huron: Penetanguishene, Collingwood, Goderich [1865]
Bayfield, Henry W., Surveyor
Wise, F. A.
, Surveyor
Gibbard, Wm.
, Surveyor
Item Type
Georgian Bay
Surveyed by Lieut. Henry W. Bayfield, R. N.
Magnetic Variation in 1863, increasing 4' annually.
Georgian Bay
Collingwood harbour
Surveyed by Mr. Wm. Gibbard, C.E.
April 1858
Goderich Harbour
Surveyed by Mr. F. A. Wise
July 1861
Lighthouse, Lat. 49. 45' 0 N. Long 81. 41'. W. from Greenwich (Approximate)
Magnetic Variation in 1863, decreasing about 4' annually
Soundings in feet
The Long. above given was determined in the U. S. Survey by electric Signals between Goderich & Detroit; but it is necessary to remark that this places the Lt Ho. about 1 3/4' to the W. of its position on the U.S. Chart of Lake Huron & published by the Admiralty.

Engraved under the direction of Capt. G. A. Bedford, R. N.

London Published at the Admiralty, 7th Oct'r 1863. Corrections Feb. 1865.
Sold by J. D. Potter Agent for the Admiralty Charts 31 Poultry & 11 King Street Tower Hill.
Engraved by J. & C. Walker
Great Britain. Admiralty. Hydrographic Office
Place of Publication
London, Eng.
Date of Original
pub. 28 July 1828
Date Of Event
survey: 1822, 1858, 1861
Language of Item
Geographic Coverage
  • Ontario, Canada
    Latitude: 44.5084 Longitude: -80.22468
  • Ontario, Canada
    Latitude: 43.75008 Longitude: -81.71648
  • Ontario, Canada
    Latitude: 44.7834 Longitude: -79.91637
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
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Upper Canada: Plans of Ports in Lake Huron: Penetanguishene, Collingwood, Goderich [1865]