h_idnum_mar94.dat contains BLS-corrected H-IDNUM values.
Merge on H-SEQ to correct H-IDNUM for merging the 1994 file to other files. If the data isn't used to merge across years, this isn't an issue.
Bill Even brought this to my attention and supplied the correction file. --> Thanks!
Jean Roth, email@example.com, 2003-10-16