Author
- California. Department of Fish and Game. Marine Resources Region3
- Centre de recherche géographique et de production cartographique (Brazzaville, Congo)4
- Centro Nacional de Cartografia e Teledetecção (Mozambique)2
- Centro Nacional de Registros (El Salvador)2
- China. Guo jia tong ji ju5
- Circuit Rider Productions1
- City of Cambridge, MA1
- Conservation Lands Network5
- County of San Mateo Information Services Department6
- DeLorme Publishing Company1
- Direccion General de Catastro y Geografia, General Direction for Cadastre and Geography2
- Dominica. Lands and Surveys Division2
- Egypt. Jihāz al-Markazī lil-Taʻbiʼah al-ʻĀmmah wa-al-Iḥṣāʼ2
- Environmental Systems Research Institute (Redlands, Calif.)4
- Eubank, Nicholas1
- Euratlas-Nüssli88
- Garcia, Paul14
- Geological Survey (U.S.)7
- GfK GeoMarketing GmbH23
- GfK GeoMarketing GmbH 2