Creator
- Geological Survey (U.S.)[remove]64
- Environmental Systems Research Institute (Redlands, Calif.)14
- Instituto Nacional de Estadística, Geografía e Informática (Mexico)8
- Canada Centre for Remote Sensing6
- National Atlas of the United States6
- Canada Centre for Mapping2
- Godt, Jonathan W.1
- United States. Bureau of Transportation Statistics1
- United States. Forest Service1