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  "elevation_dataset": "LiDAR HD \u2014 MNT (sol) et MNS (surface), 0,50 m (Institut national de l'information g\u00e9ographique et foresti\u00e8re), RGF93 / Lambert-93 EPSG:2154, altitudes IGN69",
  "elevation_vertical_datum": "IGN69",
  "elevation_tile_ids": [
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   "E687-N6496",
   "E688-N6493",
   "E688-N6494",
   "E688-N6495",
   "E688-N6496",
   "E689-N6493",
   "E689-N6494",
   "E689-N6495",
   "E689-N6496",
   "E690-N6493",
   "E690-N6494",
   "E690-N6495",
   "E691-N6493",
   "E691-N6494",
   "E692-N6493",
   "E692-N6494",
   "E693-N6492",
   "E693-N6493",
   "E693-N6494",
   "E694-N6490",
   "E694-N6491",
   "E694-N6492",
   "E694-N6493",
   "E695-N6491"
  ],
  "elevation_blocks": [
   "22LHD4LL@2025-07-24"
  ],
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   "LHD_FXX_0687_6496_MNT_O_0M50_LAMB93_IGN69",
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   "LHD_FXX_0693_6493_MNT_O_0M50_LAMB93_IGN69",
   "LHD_FXX_0693_6494_MNT_O_0M50_LAMB93_IGN69",
   "LHD_FXX_0693_6495_MNT_O_0M50_LAMB93_IGN69",
   "LHD_FXX_0694_6491_MNT_O_0M50_LAMB93_IGN69",
   "LHD_FXX_0694_6492_MNT_O_0M50_LAMB93_IGN69",
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   "LHD_FXX_0694_6494_MNT_O_0M50_LAMB93_IGN69",
   "LHD_FXX_0695_6492_MNT_O_0M50_LAMB93_IGN69"
  ],
  "ign_missions": [
   "22LHD4LL"
  ],
  "ign_editions": [
   "2025-07-24"
  ],
  "ign_dsm_edition": {
   "LHD_FXX_0687_6496_MNT_O_0M50_LAMB93_IGN69": "2025-07-24",
   "LHD_FXX_0687_6497_MNT_O_0M50_LAMB93_IGN69": "2025-07-24",
   "LHD_FXX_0688_6494_MNT_O_0M50_LAMB93_IGN69": "2025-07-24",
   "LHD_FXX_0688_6495_MNT_O_0M50_LAMB93_IGN69": "2025-07-24",
   "LHD_FXX_0688_6496_MNT_O_0M50_LAMB93_IGN69": "2025-07-24",
   "LHD_FXX_0688_6497_MNT_O_0M50_LAMB93_IGN69": "2025-07-24",
   "LHD_FXX_0689_6494_MNT_O_0M50_LAMB93_IGN69": "2025-07-24",
   "LHD_FXX_0689_6495_MNT_O_0M50_LAMB93_IGN69": "2025-07-24",
   "LHD_FXX_0689_6496_MNT_O_0M50_LAMB93_IGN69": "2025-07-24",
   "LHD_FXX_0689_6497_MNT_O_0M50_LAMB93_IGN69": "2025-07-24",
   "LHD_FXX_0690_6494_MNT_O_0M50_LAMB93_IGN69": "2025-07-24",
   "LHD_FXX_0690_6495_MNT_O_0M50_LAMB93_IGN69": "2025-07-24",
   "LHD_FXX_0690_6496_MNT_O_0M50_LAMB93_IGN69": "2025-07-24",
   "LHD_FXX_0691_6494_MNT_O_0M50_LAMB93_IGN69": "2025-07-24",
   "LHD_FXX_0691_6495_MNT_O_0M50_LAMB93_IGN69": "2025-07-24",
   "LHD_FXX_0692_6494_MNT_O_0M50_LAMB93_IGN69": "2025-07-24",
   "LHD_FXX_0692_6495_MNT_O_0M50_LAMB93_IGN69": "2025-07-24",
   "LHD_FXX_0693_6493_MNT_O_0M50_LAMB93_IGN69": "2025-07-24",
   "LHD_FXX_0693_6494_MNT_O_0M50_LAMB93_IGN69": "2025-07-24",
   "LHD_FXX_0693_6495_MNT_O_0M50_LAMB93_IGN69": "2025-07-24",
   "LHD_FXX_0694_6491_MNT_O_0M50_LAMB93_IGN69": "2025-07-24",
   "LHD_FXX_0694_6492_MNT_O_0M50_LAMB93_IGN69": "2025-07-24",
   "LHD_FXX_0694_6493_MNT_O_0M50_LAMB93_IGN69": "2025-07-24",
   "LHD_FXX_0694_6494_MNT_O_0M50_LAMB93_IGN69": "2025-07-24",
   "LHD_FXX_0695_6492_MNT_O_0M50_LAMB93_IGN69": "2025-07-24"
  },
  "climb_origin": "named-pass",
  "structure_own_ways": 30,
  "structure_mask_ranges_m": [
   [
    12629.3,
    12642.2
   ],
   [
    3698.4,
    3708.5
   ],
   [
    6756.1,
    6769.0
   ],
   [
    6045.8,
    6064.7
   ],
   [
    10493.0,
    10512.5
   ]
  ],
  "mask_basin_extension_m": 43.0,
  "suppression_unstable": [
   5.0
  ],
  "carriageway": {
   "stations": 735,
   "stations_resolved": 735,
   "width_median_m": 7.5,
   "width_p10_m": 6.0,
   "width_min_m": 1.0,
   "width_max_m": 12.0,
   "bounded_share": 0.214,
   "unbounded_share": 0.786,
   "confidence_median": 0.0,
   "width_median_bounded_m": 7.5,
   "window_m": [
    11435.0,
    11460.0
   ],
   "width_at_max25_m": 5.5,
   "window_stations": 6,
   "single_track": false,
   "single_track_rule": "PROVISIONAL (2026-09-15): width_p10_m <= 3.0 m with bounded_share >= 0.6; recorded, not a rule",
   "status": "ok",
   "source": "dtm",
   "station_m": 25.0,
   "window_station_m": 5.0,
   "halfwidth_m": 6.0,
   "step_m": 0.25,
   "level_tol_m": 0.12,
   "break_min_m": 0.3,
   "stations_failed": 0,
   "hedge_to_hedge": {
    "stations": 735,
    "stations_resolved": 735,
    "width_median_m": 10.0,
    "width_p10_m": 3.75,
    "width_min_m": 0.0,
    "width_max_m": 12.0,
    "bounded_share": 0.471,
    "unbounded_share": 0.529,
    "confidence_median": 0.0,
    "width_median_bounded_m": 7.75,
    "window_m": [
     11435.0,
     11460.0
    ],
    "width_at_max25_m": 4.12,
    "window_stations": 6,
    "status": "ok",
    "source": "dsm",
    "station_m": 25.0,
    "window_station_m": 5.0,
    "halfwidth_m": 6.0,
    "step_m": 0.25,
    "level_tol_m": 0.5,
    "break_min_m": 0.3,
    "stations_failed": 0
   }
  },
  "license": "ODbL-1.0",
  "license_url": "https://howsteep.org/licensing"
 },
 "area": {
  "place": "Besse-et-Saint-Anastaise",
  "county": "Puy-de-D\u00f4me",
  "source": "OpenStreetMap administrative boundaries (\u00a9 OpenStreetMap contributors, ODbL)"
 }
}