This is a survey of the Six Nation Indian lands completed in 1821. It is sometimes called the Ridout Survey because Thomas Ridout was the Surveyor General of Upper Canada at the time.

The image depicts the lands granted to the Six Nation Indians along the Grand River in Upper Canada. The Haldimand Proclamation of 1784 granted the land. The original survey was undertaken in 1791 to define the area, but records of it were lost.

See en:Haldimand Proclamation for historical information. Also, Charles M. Johnson, The Valley Of The Six Nations: A Collection of Documents on the Indian Lands of the Grand River, 1964, University of Toronto Press, has a great deal of information on the subject. A version is available online at the University of Toronto Library here.

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