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- United States. Defense Mapping Agency. Hydrographic/Topographic Center18
- United States. Defense Mapping Agency. Hydrographic Center10
- Instituto Hidrográfico (Portugal)7
- U.S. Coast and Geodetic Survey5
- United States Coast Survey5
- Deutsches Hydrographisches Institut3
- France. Service hydrographique et océanographique de la marine3
- Canadian Hydrographic Service2
- Great Britain. Hydrographic Dept1
- Instituto Hidrográfico de la Marina (Spain)1
- United States Coast Survey, issuing body1
