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        "date_candidates": []
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  "episodes": [
    {
      "id": "north-plains-blf-chain01-91eb6138bf13-map",
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      "stage": "cartographic_reference",
      "statement": "Map titled BLF Land, LLC General Location Map shows colored subject areas west/northwest/southwest of Dalhart in Dallam and Hartley Counties. Boundary/image context is approximate; no particular GPU or well number is printed.",
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        "date_candidates": []
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  "quantities": [],
  "tables": [],
  "relationships": [],
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    "original_public_release_authorized": null,
    "review_scope": "Source-bounded extraction; reading descriptions retained as reported provenance, not independently assigned page methods or human review.",
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      "source_checked_at": "2026-09-26T05:34:43.229516+00:00",
      "source_check_basis": "Copied acquisition metadata; no network/source check during this reading.",
      "extraction_date": "2026-09-26T17:53:28.033339+00:00",
      "scope": "Complete supplied original; unrelated business retained. Context originals reused separately.",
      "page_review": [
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          "reviewed": true,
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          "method": "visual page reading, native text cross-check where present"
        }
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      "read_completeness": "all physical pages read; limitations disclosed in unresolved; not a current-status determination",
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        "final_url": "https://northplainsgcd.org/wp-content/uploads/BLF-LLC-General-Location-Map.pdf",
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    "source_date_basis": "Source/event dates retain their roles; no signature or acquisition date substituted for approval. Non-meeting documents have no district meeting date.",
    "routing_date": null,
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    "source_date_candidates": []
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  "correction_notes": [
    "Original extraction unchanged. Archive-relative PDF filename excluded; supported content retained. Page references are not quotations or image-method evidence.",
    "Source-chain pilot: issuer and source publisher retained separately from the website publisher. Null district meeting dates remain null; dated court orders, map and calendar use explicit document roles. Calendar table evidence lists are flattened one level without changing supporting text; row evidence and grouping retained. Source checks are copied acquisition observations, not this import."
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