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- Great Britain. Office for National Statistics381
- Instituto Brasileiro de Geografia e EstatÃstica106
- California. Department of Fish and Game. Marine Resources Region71
- Geographic Data Technology, Inc. (GDT)54
- ML InfoMap (Firm)52
- ML InfoMap Pvt. Ltd.39
- von Dohlen, Jerry19
- Geological Survey (U.S.)14
- Central Intelligence Agency11
- Vernadsky State Geological Museum10
- World Wildlife Fund9
- Boerboom, Terrence J.8
- Environmental Systems Research Institute (Redlands, Calif.)8
- Rosenberg, Lewis I.8
- Runkel, Anthony C.7
- U.S. Geological Survey7
- Chandler, Val W.5
- National Atlas of the United States5
- New York (City). Department of City Planning.5
- Geographical Survey Institute4