Title: ArcCanada 3.0 - Global Data - World Date: 2003 Geography: World Publisher: Environment Systems and Research Institute, Inc. Availability: Available for direct download by Ryerson community members. More info. Title: Digital Cartographic Reference Base (DCRB) Version 2.0 Date: 1999 Geography: Ontario Publisher: Ontario Ministry of Transportation Availability: Available by request to Ryerson community members. More info. Title: Digital Cartographic Reference Base (DCRB) Version 3.0 Date: 2002 Geography: Ontario Publisher: Ontario Ministry of Transportation Availability: Available by request to Ryerson community members. More info. Title: Date: 2009 Geography: Africa Publisher: Ontario Ministry of Transportation Availability: Available by request to Ryerson community members. More info.