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- U.S. Coast and Geodetic Survey19
- Aerospace Center (U.S.)10
- United States. Hydrographic Office4
- United States. Army Air Forces2
- United States. Army Map Service2
- United States. National Ocean Service2
- Air Navigation Aids Co.1
- U.S. Coast Guard Geodetic Survey1
- United States. Central Intelligence Agency1
- United States. Defense Intelligence Agency1
- United States. National Imagery and Mapping Agency1
