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- Geological Survey (U.S.)225
- United States. Defense Mapping Agency. Hydrographic/Topographic Center161
- U.S. Coast and Geodetic Survey60
- United States. Central Intelligence Agency28
- National Wetlands Inventory (U.S.)11
- Australia. Hydrographic Service8
- France. Service hydrographique et océanographique de la marine8
- Petroleum Economist Ltd7
- Germany. Bundesamt für Seeschiffahrt und Hydrographie6
- United States. Bureau of Land Management5
- Brazil. Diretoria de Hidrografia e Navegação.4
- Japan. Kaijō Hoanchō. Suirobu4
- United States. National Ocean Service4
- Aerospace Center (U.S.)3
- Argentina. Servicio de Hidrografía Naval3
- Norges sjøkartverk3
- Norris, Donald Kring, 1924-3
- United States. Central Intelligence Agency. Directorate of Intelligence3
- Belgium. Service hydrographique de la côte.2
- Cyprus. Ktēmatologiko kai Chōrometriko Tmēma.2
