- Geological Survey (U.S.)10
- National Geophysical Data Center10
- Instituto Nacional de Estadística, Geografía e Informática (Mexico)8
- Canada Centre for Remote Sensing7
- Hijmans, Robert J.4
- Kelso, Nathaniel Vaughn4
- National Atlas of the United States4
- Patterson, Tom4
- GLIMS3
- Bouchette, Joseph2
- Rumsey, David, 1944-2
- United States. Bureau of Transportation Statistics2
- Beningo, Steve1
- Canada Centre for Mapping1
- Center for Spatial and Textual Analysis1
- EROS Data Center1
- Faden, William, 1749-18361
- Global Resource Information Database1
- Hunt, Raquel1
- International Association of Seismology and Physics of the Earth's Interior1
