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Publisher
- Arctic Climate System (ACSYS)49
- Arizona State Land Department7
- Central Intelligence Agency7
- Arizona State Land Department, Arizona Land Resources Information System3
- National Atlas of the United States3
- International Heat Flow Commission2
- National Geophysical and Solar-Terrestrial Data Center1
- Sacramento County GIS1
- San Francisco (Calif.). Department Of Telecommunications and Information Services.1
- United States Central Intelligence Agency1
- World Resources Institute1