Creator
- National Atlas of the United States6
- Geological Survey (U.S.)4
- EROS Data Center3
- Canada Centre for Mapping1
- Instituto Nacional de Estadística, Geografía e Informática (Mexico)1
- National Geophysical Data Center1
- USGS National Center for EROS1
- United States. Department of Commerce1
- United States. National Environmental Satellite, Data, and Information Service1
- United States. National Oceanic and Atmospheric Administration1