] a‹FILE_NAMEC QZNDX_NAMECQZKEY_DESCRCQZ(KEY1CCQZ KEY2CMQZ KEY3CWQZ KEY4CaQZ UNIQUELkQZPATHClQZ(PRIORITYC”QZ MN92NCOMMN92NC87By 1987 product code PROD87 F\mn92\MN92NC87.ndx 2 MN92NCOMMN92NC92By 1992 product code PRODUCT F\mn92\MN92NC92.ndx 1 MN92NCIRMN92NCIRBy CIR series number SOURCE T\mn92\MN92NCIR.ndx MN92NUB MN92NUBPBy product code PRODUCT F\mn92\MN92NUBP.ndx MN92NUM MN92NUMCFirst record for each source (census,CIRSOURCE T\mn92\MN92NUMC.ndx 2 MN92NUM MN92NUMPBy product code PRODUCT F\mn92\MN92NUMP.ndx 1