{
  "vintage": "2023",
  "built_at": "2026-06-04T21:33:41Z",
  "git_sha": "db1dac5",
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    {
      "uri": "repo://data/crosswalks/county_fips_crosswalk.parquet",
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    },
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      "uri": "https://www2.census.gov/programs-surveys/metro-micro/geographies/reference-files/2023/delineation-files/list1_2023.xlsx",
      "note": "OMB 2023 CBSA delineation (List 1)"
    }
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    },
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  }
}