All counties in the United States.
(1) "UCR 'Summary-Based' Master Files Record
Descriptions." United States Department of Justice. Federal Bureau of
Investigation, December 6, 1990. (2) "Counties and Equivalent
Entities of the United States, Its Possessions, and Associated
Areas." FIPS Publication 6-4. United States Department of Commerce.
National Institute of Standards and Technology, August 31, 1990.
administrative records data