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Relationship Files

These text files describe geographic relationships. There are two types of relationship files; those that show the relationship between the same type of geography over time (comparability) and those that show the relationship between two types of geography for the same time period.

2022
  • 2024
  • 2023
  • 2022
  • 2020
  • 2010
  • 2000
Page Last Revised - November 21, 2024