US1850A_HISTID
Permanent historical census ID
This is a 36-character string variable.
This variable is a unique ID that is stable across all iterations of this 1850 full count database. It can be used to link IPUMS International data to extracts created by the IPUMS USA dissemination system (variable HISTID).
Supported by: National Institutes of Health, National Science Foundation, Stat/Transfer, and University of Minnesota.
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