TY  - RPRT
TI  - Federal Information Processing Standards Publication: counties and equivalent entities of the United States, its possession, and associated areas 
PY  - 1990
PB  - National Institute of Standards and Technology
CY  - Gaithersburg, MD
SN  - NIST FIPS 6-4
DO  - 10.6028/NIST.FIPS.6-4
ER  -