ss_blk.txt

  Two types of records:

  record 1:
     ;sr precinct; total registration

  record 2:
     ;sr precinct; census block; geocode registration, imputed registration

  Example:

     ;000808; 77
     ;000808;0015023016; 0 9 0 0 0 0 0
     ;000808;0016023000; 1 3 0 0 0 0 0
     ;000808;0016023002; 7 0 0 0 0 0 0
     ;000808;0016023010; 20 0 0 0 0 0 0
     ;000808;0016023011; 37 0 0 0 0 0 0

    Note the total of the geocode and imputed registration equals total
        registration