TIGER/LINE CENSUS FILES, 1990
                              DATA DICTIONARY

                   (ADDITIONAL POLYGON GEOGRAPHIC AREA CODES)

                               RECORD TYPE A 

                                CHARACTER
              DATA              POSITION
     NAME     TYPE     SIZE     BEG   END     DESCRIPTION

     RT        A       1        1     1     RECORD TYPE ("A")

     VERSION   N       4        2     5     VERSION NUMBER

     STATE     N       2        6     7     FIPS STATE CODE FOR FILE

     COUNTY    N       3        8     10    FIPS COUNTY CODE FOR FILE

     CENID     N       5        11    15    CENSUS FILE IDENTIFICATION CODE

     POLYID    N       10       16    25    POLYGON IDENTIFICATION CODE

     FAIR      N       5        26    30    FIPS PUB 55 CODE (AMERICAN 
                                             INDIAN RESERVATION/
                                             TJSA/TDSA/ANVSA)

     FMCD      N       5        31    35    FIPS PUB 55 CODE (MCD/CCD)

     FPL       N       5        36    40    FIPS PUB 55 CODE (PLACE)

     CTBNA     N       6        41    46    CENSUS TRACT/BNA CODE

     BLK       A       4        47    50    TABULATION BLOCK NUMBER

     CD101     N       2        51    52    101ST CONGRESSIONAL DISTRICT
                                             CODE

     CD103     N       2        53    54    103RD CONGRESSIONAL DISTRICT
                                             CODE (RESERVED FOR POSSIBLE
                                             FUTURE USE)

     SDELM     A       5        55    59    ELEMENTARY SCHOOL DISTRICT
                                            (RESERVED FOR POSSIBLE FUTURE
                                            USE)

     SDMID     N       5        60    64    MIDDLE SCHOOL DISTRICT
                                             (RESERVED FOR POSSIBLE FUTURE
                                             USE)

     SDSEC     N      5         65    69    SECONDARY SCHOOL DISTRICT
                                             (RESERVED FOR POSSIBLE FUTURE
                                             USE)

     SDUNI     N      5         70    74    UNIFIED SCHOOL DISTRICT
                                             (RESERVED FOR POSSIBLE FUTURE
                                             USE)

     TAZ       A      6         75    80    TRAFFIC ANALYSIS ZONE
                                             (RESERVED FOR POSSIBLE FUTURE
                                             USE)

     UA        N      4         81    84    1990 URBANIZED AREA CODE
                                             (RESERVED FOR POSSIBLE FUTURE
                                             USE)

     URBFLAG   N      1         85    85    URBAN FLAG (RESERVED FOR
                                             POSSIBLE FUTURE USE)

     RS        N      13        86    98    RESERVED SPACE (RESERVED FOR
                                             POSSIBLE FUTURE USE)