TABLE OF CONTENTS

                           TIGER/Line Census Files, 1990
                             Technical Documentation


I.     Abstract                                                         1

II.    The TIGER System:  An Overview                                   5

III.   Things to Know About These Files                                 7
         TIGER/Line Census Files, 1990 Information Limitations          7
         Boundaries, Address Ranges, and Geographic Area Codes          7
         TIGER/Line Census Files,1990 and GBF/DIME Files               13

IV.    The TIGER/Line Census Files, 1990:  A Technical Description     15
         Summary of Record Types                                       15
         Linkage                                                       17

V.     TIGER/Line Census Files, 1990 Data Dictionary                   19
         Record Type 1                                                 19
         Record Type 2                                                 23
         Record Type 3                                                 25
         Record Type 4                                                 27
         Record Type 5                                                 29
         Record Type 6                                                 31
         Record Type 7                                                 33
         Record Type 8                                                 35
         Record Type A                                                 37
         Record Type I                                                 39
         Record Type P                                                 41
         Record Type R                                                 43

VI.    TIGER/Line Census File, 1990 Codes                              45
         Source Codes                                                  45
         Direction Codes                                               45
         Diacritical Codes                                             45
         Census Feature Class Codes                                    45
         Feature Type Abbreviations                                    50

VII.   Geographic Area Definitions                                     53
         Legal Areas                                                   53
         Statistical Areas                                             53

VIII.  Numbers of Decennial Census Geographic Areas                    55
         Legal Areas                                                   55
         Statistical Areas                                             55

IX.    Standard Abbreviations                                          57

X.     User Notes                                                      63

       Appendix A Ä FIPS State and County Codes                       A-1
       Appendix B Ä Additional Source Material                        B-1