Attachment 2: 1960, 1980, and 1990 Census Industrial and Occupational Classification Codes

Attachment 2 contains the the 1960, 1980, and 1990 Census Industrial and Occupational Classification Codes. Note that these PDF files are best viewed and printed with Adobe Acrobat Reader 5.0 or higher. See How to view a PDF file for more information.

  • Part One: 1960 I & O Codes (24 pages) [1,690K]
  • Part Two: 1980 I & O Codes (26 pages) [1,687K]
  • Part Three: 1990 I & O Codes (24 pages) [2,296K]
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Last Modified Date: February 04, 2004