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  "data_gaps": [],
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  "facilities_per_100k": 7.0412876167955245,
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  "generated_at": "2026-10-08T11:20:51.512322+00:00",
  "license": {
    "name": "Creative Commons Attribution 4.0 (CC BY 4.0)",
    "url": "https://creativecommons.org/licenses/by/4.0/"
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  "methodology": {
    "census_place_vintage": "2020",
    "distance": "great-circle miles from county reference point; nearest geocoded listed facility across all states/DC; not driving distance",
    "facility_scope": "unique IDs; closed excluded; active and unconfirmed included",
    "findings_order": "deserts, furthest desert, density, Medicaid, count; gaps fill remaining slots",
    "medicaid_field": "attributes.ft_medicaid; unavailable means not reported by the source"
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  "population_vintage": "2020",
  "sources": [
    {
      "name": "SAMHSA FindTreatment.gov treatment locator",
      "url": "https://findtreatment.gov/"
    },
    {
      "name": "2020 Census redistricting data (P.L. 94-171), table P1",
      "url": "https://www.census.gov/programs-surveys/decennial-census/about/rdo/summary-files.html"
    },
    {
      "name": "2020 cartographic boundary files, counties (1:500,000)",
      "url": "https://www.census.gov/geographies/mapping-files/time-series/geo/cartographic-boundary.html"
    },
    {
      "name": "2020 Census Gazetteer files, counties",
      "url": "https://www.census.gov/geographies/reference-files/time-series/geo/gazetteer-files.html"
    }
  ],
  "state": "CA"
}