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Author/Creator
- United States2
- United States. Congress. House. Committee on Post Office and Civil Service. Subcommittee on Census and Population2
- United States. Congress. Senate. Committee on Governmental Affairs. Subcommittee on Energy, Nuclear Proliferation, and Government Processes2
- GeoLytics, Inc1
- Rockefeller Foundation1
- U.S. Census Bureau1
- Urban Institute1