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- United States. Defense Mapping Agency. Hydrographic/Topographic Center101
- Instituto Hidrográfico (Portugal)6
- United States. National Ocean Service5
- Canadian Hydrographic Service3
- France. Service hydrographique et océanographique de la marine2
- Istituto idrografico della Marina2
- Deutsches Hydrographisches Institut1
- Germany (East). Seehydrographischer Dienst1
- Great Britain. Hydrographic Dept1
- Norges sjøkartverk1
