Creator
- Canada Centre for Mapping1
- Geological Survey (U.S.). Water Resources Division. Wisconsin District1
- Global Resource Information Database1
- Institute for Water Resources (U.S.). Navigation Data Center1
- Instituto Nacional de Estadística, Geografía e Informática (Mexico)1
- National Energy Information Center (U.S.)1
- Ritters, Kurt1
- Strocko, Ed1
- USGS National Center for EROS1
- United Nations. Office for Disaster Risk Reduction1
- United States. Agricultural Research Service1
- United States. Bureau of Transportation Statisticsf1
- United States. Minerals Management Service1
- United States. Office of the Deputy Under Secretary of Defense (Installations and Environment)1