APPENDIX H.
                          Record Layout of Machine-Readable
                                  Data Dictionary

CONTENTS

Geographic Description.............................................. H-1
Introduction........................................................ H-1
Table (Matrix) Description.......................................... H-2


INTRODUCTION

This appendix provides the record layout for the machine-readable data
dictionary file that accompanies each data tape.  This data dictionary was
developed as a ``generic'' dictionary that, with some programming, could be
converted for use with specific software packages.

GEOGRAPHIC DESCRIPTION

Geographic Record 1--Field Mnemonic, Size, and Type

     Position          Description
     1-2               Identifier "G1" (Geographic Record 1)
     3                 Blank
     4-11              Field mnemonic (left justified)
     12                Blank
     13-14             Field size (right justified)
     15                Blank
     16-18             Data type (left justified)
                       Note:  Legal entries are A, N, and A/N
     19                Blank
     20-24             Begin position (right justified)
                       (Begin position in relation to the entire record)
     25                Blank
     26-30             Relative begin position (right justified)
                       (Begin position in relation to the
                       record segment)
     31                Blank
     32                Number of implied decimals
     33-80             Blank

Geographic Record 2--Field Description

     Position          Description

     1-2               Identifier "G2" (Geographic Record 2)
     3                 Blank
     4-8               Begin position (right justified) (repeat from 20-24 
                        above)
     9                 Blank
     10-80             Field Description (left justified)

Geographic Record 3--Code Identification

     Position          Description

     1-2               Identifier "G3" (Geographic Record 3)
     3                 Blank
     4-8               Begin position (right justified) (repeat from 20-24 
                        in G1)
     9                 Blank
     10-17             Codes (right justified)
     18                Blank
     19-80             Code identification (left justified)

Geographic Description Examples(1)

Examples of the geographic records are shown below.  In example 1, there
are no G3 records.  G3 records will appear only for fields which have code
listings in the technical documentation.


Example 1

      G1 FILEID    8 A/N     1     1 0
      G2     1 File Identification


Example 2

      G1 PSADC     2 A/N   289   289 0
      G2   289 Political/Statistical Area Description Code
      G3   289       01 State or State equivalent - no status is appended 
                        to the name 
      G3   289       01 of the entity in census publications and related 
                        data products
      G3   289       04 Borough - county equivalent in Alaska; "Borough" is
                        appended t
      G3   289       04 o the name of the entity in census publications and
                        related da
      G3   289       05 ta products
      G3   289       05 Census area - county equivalent in Alaska; "Census
                        Area" is ap
      G3   289       05 pended to the name of the entity in census 
                        publications and re
      G3   289       05 lated data products

(1)Examples are for illustrative purposes and are not specific to this
file.

     TABLE (MATRIX) DESCRIPTION
     Table Record 1   Table Number and Characteristics

     Position          Description

     1-2               Identifier "T1" (Table Record 1)
     3                 Blank
     4-9               Table (matrix) number (left justified)
     10                Blank
     11-15             Begin position (right justified)
                       (Begin position in relation to the entire record)
     16                Blank
     17-21             Relative begin position (right justified)
                       (Begin position in relation to the record segment)
     22                Blank
     23-24             Cell size for this table (matrix) (right justified)
     25                Blank
     26                Number of implied decimals for cells in this
                        table (matrix)
     27                Blank
     28-30             Number of cells in this table (matrix) (right  
                        justified)
     31                Blank
     32-34             Number of variables (right justified)
     35-80             Blank

Table Record 2   Table Title

     Position          Description

     1-2               Identifier "T2" (Table Record 2)
     3                 Blank
     4-9               Table (matrix) number (left justified)
     10                Blank
     11-80             Table (matrix) title (left justified)

Table Record 3   Universe Description

     Position          Description

     1-2               Identifier "T3" (Table Record 3)
     3                 Blank
     4-9               Table (matrix) number (left justified)
     10                Blank
     11-80             Universe Description (left justified)

Table Record 4-N   Table Variable Descriptions

     Position          Description

     1-2               Identifier "Tn" n= sequence number of variable in 
                        the table being described.
     3                 Blank
     4-9               Table (matrix) number (left justified)
     10                Blank
     11-76             Variable name (left justified)
     77                Blank
     78-80             Number of categories for this variable (right 
                        justified)
                       Note:  Subsequent "T" records with the same "n" will
                        have the variable categories described in positions
                        11-80.

Filler Record

     Position          Description

     1-2               Identifier  ``F1'' (Filler Record)
     3                 Blank
     4-7               "FILL"
     8-10              Blank
     11-15             Begin Position (right justified) (Begin position in 
                        relation to the entire record)
     16                Blank
     17-21             Relative Begin Position (right justified) (Begin  
                        position in relation to the record segment)
     22                Blank
     23-26             Total number of ``FILL'' blanks
     27-80             Blank

Matrix Example(1)

See example 3 below.

Example 3

Sex (2) by Marital Status(5) [10]


T1 P14     4423  4423  9 0  10   2
T2 P14    SEX BY MARITAL STATUS
T3 P14    Persons 15 years and over
T4 P14    SEX                                    2
T4 P14    Male
T4 P14    Female
T5 P14    MARITAL STATUS                         5
T5 P14    Never married
T5 P14    Now married, except separated
T5 P14    Separated
T5 P14    Widowed
T5 P14    Divorced


(1)Examples are for illustrative purposes and are not specific to this
file.