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Author/Creator
- United States. Central Intelligence Agency25
- United States. Bureau of the Census. Geography Division10
- United States. Bureau of the Census. Data Preparation Division5
- U.S. Census Bureau3
- U.S. Census Bureau. Geography Division3
- United States. Central Intelligence Agency. Cartography Center3
- United States. Bureau of the Census. Population Division2
- United States. Department of State. Office of the Geographer2
- United States. Bureau of the Census. Industry Division1
- United States. National Ocean Service1