 NTv2 Grid Shift Files for Ontario
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These files were previously distributed via the COSINE Online web application.


NTv2NationalPkg.zip:
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MAY76V20.gsb   -   NAD27:76   / NAD83:ORIG          (Canada)
NTV2_0.gsb     -   NAD27:74   / NAD83:ORIG          (Canada)

NTv2OntarioPkg.zip:
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ON27CSv1.gsb   -   NAD27:74   / NAD83-CSRSv3-1997.0 (Ontario)
ON76CSv1.gsb   -   NAD27:76   / NAD83-CSRSv3-1997.0 (Ontario)
ON83CSv1.gsb   -   NAD83:ORIG / NAD83-CSRSv3-1997.0 (Ontario)

NTv2TorontoPkg.zip:
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TO27CSv1.gsb   -   NAD27:74   / NAD83-CSRSv3-1997.0 (Toronto)


In the Open Government License  Ontario, which applies to the NTv2 Grid Shift Files (this data set as a whole),
the term Information Provider specifically means the owner and copyright holder of specific portions of the 
overall data set, which are as follows:
1.   For National Grid Shift Files, Her Majesty the Queen in right of Canada as represented by the Canadian
     Geodetic Survey, Natural Resources Canada,
2.   For Ontario/Provincial Grid Shift Files, Her Majesty the Queen in right of Ontario as represented by the
     Office of the Surveyor General, Ministry of Natural Resources and Forestry, and
3.   For City of Toronto Grid Shift Files, the Corporation of the Municipality of the City of Toronto, as
     represented by the City of Toronto Engineering and Construction Services.


DOCUMENTATION Files
----------------------
Graphical_Analysis_Users_Guide.pdf    -  Graphical Analysis of the Ontario NTv2 Conversion
                                         between NAD83-ORIG and NAD83-CSRSv3-1997.0