ID: Unique ID (file plus family plus individual)
Unique identifier for each observation. Combination of id_file, id_fam, id_indiv
Based upon 56,571 valid cases out of 56,571 total cases.
Location: 1-10 (width: 10; decimal: 0)
Variable Type: character
Notes
Source: This variable was taken from: The 1915 Iowa State Census Project.
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