Title: City of London, Ontario, Digital Mapping CD 2005 Date: 2005 Geography: City of London (ON) Publisher: City of London Availability: Available by request to Ryerson community members. More info. Title: City of London, Ontario, Digital Mapping CD 2006 Date: 2006 Geography: City of London (ON) Publisher: City of London Availability: Available by request to Ryerson community members. More info. Title: City of London, Ontario, Digital Mapping CD 2007 Date: 2007 Geography: City of London (ON) Publisher: City of London Availability: Available by request to Ryerson community members. More info.