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  "elevation_provider": "Environment Agency",
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  "naming_note": "Renamed from 'Discovered lane (52.8895, -0.7903)' under the identification-certain rule (2026-08-13 exception): route verified against the established feature by geometry in the 2026-08-28 fame-door review (fame-backfill-verdicts.csv).",
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  "license_url": "https://howsteep.org/licensing"
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}