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  "elevation_crs": "EPSG:25833",
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  "calculated_at": "2026-10-03T19:28:22+00:00",
  "road_source": "OpenStreetMap (local PBF extract)",
  "road_attribution": "\u00a9 OpenStreetMap contributors, ODbL",
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  "osm_snapshot": "",
  "run_id": "no-b11",
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  "elevation_licence": "CC BY 4.0 \u2014 \u00a9 Kartverket (https://www.kartverket.no/api-og-data/vilkar-for-bruk)",
  "elevation_dataset": "Nasjonal h\u00f8ydemodell (NHM) DTM, 1 m, EPSG:25833, NN2000 (Kartverket), served by the hoydedata.no ImageServer; ground without a laser project is a coarser resampled product and is never measured",
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    "resolution_m": 0.25,
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    "resolution_m": 0.25,
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    "year": 2013
   },
   {
    "last_flight_date": "2014-05-29",
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    "resolution_m": 0.25,
    "season": "",
    "year": 2014
   },
   {
    "last_flight_date": "2020-07-13",
    "name": "Trondheim 30pkt 2020",
    "points_per_m2": 30,
    "resolution_m": 0.25,
    "season": "",
    "year": 2020
   },
   {
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    "resolution_m": 0.25,
    "season": "",
    "year": 2017
   },
   {
    "last_flight_date": "2014-01-01",
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  "nhm_last_flight_date": "2022-07-30",
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   "Tr\u00f8ndelag del3 3pkt 2014"
  ],
  "nhm_retrieved_at": "2026-10-03T15:16:06Z",
  "nhm_note": "laser projects overlapping the route's cells; the mosaic draws on them by its own priority and which project supplied which pixel is not recorded",
  "climb_origin": "discovered",
  "seam_filled_samples": {
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   "distances_m": []
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  "structure_own_ways": 3,
  "tunnel_check": "osm tunnel=* ways on 3 own way(s)",
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  "underground_fraction": 0.0,
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   "single_track_rule": "PROVISIONAL (2026-09-15): width_p10_m <= 3.0 m with bounded_share >= 0.6; recorded, not a rule",
   "status": "ok",
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  "license": "ODbL-1.0",
  "license_url": "https://howsteep.org/licensing"
 },
 "area": {
  "place": "Trondheim",
  "county": "Tr\u00f8ndelag",
  "source": "OpenStreetMap administrative boundaries (\u00a9 OpenStreetMap contributors, ODbL)"
 }
}