High resolution satellite imagery. Most not available online but follow download link for those that are online. List of Places covered: http://maps.library.utoronto.ca/data/ssvlist.txt
Orthorectified Colour Air Photos of Southern Ontario provided to the University of Toronto through the generous donation of the Ontario Ministry of Education and provided to the University of Toronto through the kind support of the Ontario Ministry of Natural Resources. orthos air photos
From the web page: "The Canada Land Use Monitoring Program (CLUMP) was established in 1978 by the Lands Directorate of Environment Canada to provide researchers, planners and managers with a database on land use change.
These files have been converted to shapefile (ESRI) format from e00 format and have all block population numbers attached.
These files have been converted to shapefile (ESRI) format from e00 format.