Creator
- Oklahoma State University. Department of Geography. Cartography Service1
- Ptolemy, Claudius1
- Ritters, Kurt1
- Ruscelli, Girolamo1
- Schultz, Kenneth A.1
- USGS National Center for EROS1
- United Nations. Office for Disaster Risk Reduction1
- United States. Bureau of Customs and Border Protection1
- United States. Bureau of Transportation Statistics1