Approximately 90% of government sourced data has a location component.
- ISO/TC 211 Multi-Lingual Glossary of Terms
- Romero, Melissa. Curbed https://philly.curbed.com/2017/11/7/16617296/philadelphia-properties-land-vacant-lot-atlas-map-tool. Retrieved 7 November 2017. Missing or empty
- Roger A. Longhorn and Michael Blakemore (2007), Geographic Information: Value, Pricing, Production, and Consumption, CRC Press.
- Media related to Geographic data and information at Wikimedia Commons
|This geography-related article is a stub. You can help Wikipedia by expanding it.|