Derived from orthophotos
CONTOURS
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Derived from orthorectified Colour Air Photos of Southern Ontario 20cm resolution.
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Derived from orthophotos at 20CM resolution
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Derived orthorectified Colour Air Photos of Southern Ontario 20cm resolution. Data can be found on the FTPOCUL server area.
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Derived from the Orthorectified Colour Air Photos of Southern Ontario at 20cm resolution.
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Note that some layers are free to download. Others must be requested through the Map and Data Library. All roads can be found for public use at this url http://gis.ny.gov/gisdata/inventories/details.cfm?DSID=932