{
    "river": {
        "name": "Le Viau",
        "course_code": "O4030500",
        "topage_code": null
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    "extracted_at": "2026-11-09T12:33:14+01:00",
    "source_note": "RivièreScope agrège des données publiques ; consultez /sources/ pour les producteurs et licences.",
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}