- Gardner, James V.2
- GeoX Kft.5
- Geographic Information Systems, Sonoma County (Calif.)., California2
- Geographic Information Systems, Sonoma County (Calif.)., California 9
- Geographic Information Systems, Sonoma County (Calif.)., California 1
- Geographic Information Systems, Sonoma County, California2
- Geographic Information Systems, Sonoma County, California 5
- Geographic Infromation Systems, Sonoma County ( Calif.)., California 1
- Geographic Infromation Systems, Sonoma County (Calif.)., California 1
- Geographical Information Systems 1
- Geographical Surveys West of the 100th Meridian (U.S.)1
- Geographisches Institut (Weimar, Thuringia, Germany)1
- Geological Survey (U.S.)103
- Geological Survey (U.S.) Minerals Information Team9
- Geological Survey (U.S.). Water Resources Division. Wisconsin District1
- Geological Survey of Kenya3
- Georgia. National Agency for Public Registry13
- Gherdevich, Davide3
- Global Resource Information Database175
- Godt, Jonathan W.3
