Author
- Sudan National Survey Corporation9
- Community Cartography8
- Dirección General de Estadística y Censos (DIGESTYC)8
- Geographical Survey Institute8
- Manson, Michael W.8
- Moss Landing Marine Laboratories8
- Cochrane, Guy R.7
- ML InfoMap (Firm)7
- PAMAP Program, PA Department of Conservation and Natural Resources, Bureau of Topographic and Geologic Survey7
- Survey Department of Ghana7
- World Wildlife Fund7
- County of Napa ITS Department6
- ESRI6
- Greene, H. G.6
- Setterholm, Dale R.6
- New York (City). Department of City Planning.5
- Sistemas de Información Geográfica, S.A. de C.V.5
- Solano County Department of Information Technology - GIS Services5
- Tele Atlas North America, Inc.5
- Bay Area Open Space Council4