{
 "ocl_version": "0.1.0",
 "name": "Mitchell Brook Road",
 "slug": "mitchell-brook-road",
 "confidence": "A",
 "reported_claims": [],
 "ladder": [
  {
   "window_m": 2.0,
   "max_gradient_pct": 49.01326911836463,
   "diagnostic": true,
   "flags": [],
   "start_distance_m": 1108.0,
   "end_distance_m": 1110.0,
   "start_elevation_m": 262.73620458943003,
   "end_elevation_m": 263.7164699717973,
   "min_gradient_pct": -39.70310215636346
  },
  {
   "window_m": 3.0,
   "max_gradient_pct": 46.78818814669512,
   "diagnostic": true,
   "flags": [],
   "start_distance_m": 1107.0,
   "end_distance_m": 1110.0,
   "start_elevation_m": 262.31282432739647,
   "end_elevation_m": 263.7164699717973,
   "min_gradient_pct": -34.34417383982312
  },
  {
   "window_m": 5.0,
   "max_gradient_pct": 40.20304825903622,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 1107.0,
   "end_distance_m": 1112.0,
   "start_elevation_m": 262.31282432739647,
   "end_elevation_m": 264.3229767403483,
   "min_gradient_pct": -28.532633487745898
  },
  {
   "window_m": 10.0,
   "max_gradient_pct": 33.14406377666728,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 1102.0,
   "end_distance_m": 1112.0,
   "start_elevation_m": 261.00857036268155,
   "end_elevation_m": 264.3229767403483,
   "min_gradient_pct": -13.764373742845919
  },
  {
   "window_m": 20.0,
   "max_gradient_pct": 24.672421534012017,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 1092.0,
   "end_distance_m": 1112.0,
   "start_elevation_m": 259.3884924335459,
   "end_elevation_m": 264.3229767403483,
   "min_gradient_pct": -4.901913714526813
  },
  {
   "window_m": 25.0,
   "max_gradient_pct": 23.84542309754238,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 1087.0,
   "end_distance_m": 1112.0,
   "start_elevation_m": 258.3616209659627,
   "end_elevation_m": 264.3229767403483,
   "min_gradient_pct": -4.139255471477327
  },
  {
   "window_m": 50.0,
   "max_gradient_pct": 18.763747711986866,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 1067.0,
   "end_distance_m": 1117.0,
   "start_elevation_m": 255.66136630553075,
   "end_elevation_m": 265.0432401615242,
   "min_gradient_pct": -2.8637303247921864
  },
  {
   "window_m": 100.0,
   "max_gradient_pct": 14.568507377808373,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 1016.0,
   "end_distance_m": 1116.0,
   "start_elevation_m": 250.39451132993315,
   "end_elevation_m": 264.9630187077415,
   "min_gradient_pct": -0.6942408715870556
  }
 ],
 "shape": {
  "ascent_concentration": 0.347,
  "concentration_window_frac": 0.25,
  "longest_pitch_10pct_m": 68.0,
  "shape_class": "sustained"
 },
 "length_m": 1845.871252172173,
 "start_elevation_m": 174.80084043197613,
 "end_elevation_m": 301.9525368881225,
 "endpoint_gain_m": 127.15169645614637,
 "overall_gradient_pct": 6.888437983229739,
 "accumulated_ascent_m": 131.71029443171057,
 "window_maxima": {
  "max_5m": {
   "gradient_pct": 40.20304825903622,
   "start_distance_m": 1107.0,
   "end_distance_m": 1112.0,
   "midpoint_distance_m": 1109.5,
   "start_elevation_m": 262.31282432739647,
   "end_elevation_m": 264.3229767403483,
   "start_xy": [
    400943.4724060482,
    4948884.93206318
   ],
   "end_xy": [
    400939.0961828285,
    4948882.543119245
   ]
  },
  "max_10m": {
   "gradient_pct": 33.14406377666728,
   "start_distance_m": 1102.0,
   "end_distance_m": 1112.0,
   "midpoint_distance_m": 1107.0,
   "start_elevation_m": 261.00857036268155,
   "end_elevation_m": 264.3229767403483,
   "start_xy": [
    400947.16499488906,
    4948888.30298313
   ],
   "end_xy": [
    400939.0961828285,
    4948882.543119245
   ]
  },
  "max_20m": {
   "gradient_pct": 24.672421534012017,
   "start_distance_m": 1092.0,
   "end_distance_m": 1112.0,
   "midpoint_distance_m": 1102.0,
   "start_elevation_m": 259.3884924335459,
   "end_elevation_m": 264.3229767403483,
   "start_xy": [
    400954.5440446238,
    4948895.052028619
   ],
   "end_xy": [
    400939.0961828285,
    4948882.543119245
   ]
  },
  "max_25m": {
   "gradient_pct": 23.84542309754238,
   "start_distance_m": 1087.0,
   "end_distance_m": 1112.0,
   "midpoint_distance_m": 1099.5,
   "start_elevation_m": 258.3616209659627,
   "end_elevation_m": 264.3229767403483,
   "start_xy": [
    400958.23354841885,
    4948898.426574773
   ],
   "end_xy": [
    400939.0961828285,
    4948882.543119245
   ]
  },
  "max_50m": {
   "gradient_pct": 18.763747711986866,
   "start_distance_m": 1067.0,
   "end_distance_m": 1117.0,
   "midpoint_distance_m": 1092.0,
   "start_elevation_m": 255.66136630553075,
   "end_elevation_m": 265.0432401615242,
   "start_xy": [
    400972.9921221762,
    4948911.9241468115
   ],
   "end_xy": [
    400934.62345826917,
    4948880.308229134
   ]
  },
  "max_100m": {
   "gradient_pct": 14.568507377808373,
   "start_distance_m": 1016.0,
   "end_distance_m": 1116.0,
   "midpoint_distance_m": 1066.0,
   "start_elevation_m": 250.39451132993315,
   "end_elevation_m": 264.9630187077415,
   "start_xy": [
    401010.6257508057,
    4948946.343759883
   ],
   "end_xy": [
    400935.51807421894,
    4948880.755065002
   ]
  }
 },
 "window_minima": {
  "min_5m": {
   "gradient_pct": -28.532633487745898,
   "start_distance_m": 1121.0,
   "end_distance_m": 1126.0,
   "midpoint_distance_m": 1123.5,
   "start_elevation_m": 265.01321300784423,
   "end_elevation_m": 263.58658133345693,
   "start_xy": [
    400931.04534968385,
    4948878.520174842
   ],
   "end_xy": [
    400926.5732031425,
    4948876.284129391
   ]
  },
  "min_10m": {
   "gradient_pct": -13.764373742845919,
   "start_distance_m": 1116.0,
   "end_distance_m": 1126.0,
   "midpoint_distance_m": 1121.0,
   "start_elevation_m": 264.9630187077415,
   "end_elevation_m": 263.58658133345693,
   "start_xy": [
    400935.51807421894,
    4948880.755065002
   ],
   "end_xy": [
    400926.5732031425,
    4948876.284129391
   ]
  },
  "min_20m": {
   "gradient_pct": -4.901913714526813,
   "start_distance_m": 1120.0,
   "end_distance_m": 1140.0,
   "midpoint_distance_m": 1130.0,
   "start_elevation_m": 265.1150542167212,
   "end_elevation_m": 264.13467147381584,
   "start_xy": [
    400931.9399656097,
    4948878.967010757
   ],
   "end_xy": [
    400913.24755557615,
    4948872.144264512
   ]
  },
  "min_25m": {
   "gradient_pct": -4.139255471477327,
   "start_distance_m": 1120.0,
   "end_distance_m": 1145.0,
   "midpoint_distance_m": 1132.5,
   "start_elevation_m": 265.1150542167212,
   "end_elevation_m": 264.0802403488519,
   "start_xy": [
    400931.9399656097,
    4948878.967010757
   ],
   "end_xy": [
    400908.41494454816,
    4948870.861352743
   ]
  },
  "min_50m": {
   "gradient_pct": -2.8637303247921864,
   "start_distance_m": 1120.0,
   "end_distance_m": 1170.0,
   "midpoint_distance_m": 1145.0,
   "start_elevation_m": 265.1150542167212,
   "end_elevation_m": 263.6831890543251,
   "start_xy": [
    400931.9399656097,
    4948878.967010757
   ],
   "end_xy": [
    400884.25198403257,
    4948864.446435276
   ]
  },
  "min_100m": {
   "gradient_pct": -0.6942408715870556,
   "start_distance_m": 1117.0,
   "end_distance_m": 1217.0,
   "midpoint_distance_m": 1167.0,
   "start_elevation_m": 265.0432401615242,
   "end_elevation_m": 264.3489992899371,
   "start_xy": [
    400934.62345826917,
    4948880.308229134
   ],
   "end_xy": [
    400838.8253205223,
    4948852.387509372
   ]
  }
 },
 "diagnostic_window_maxima": {
  "max_2m": {
   "gradient_pct": 49.01326911836463,
   "start_distance_m": 1108.0,
   "end_distance_m": 1110.0,
   "midpoint_distance_m": 1109.0,
   "start_elevation_m": 262.73620458943003,
   "end_elevation_m": 263.7164699717973,
   "start_xy": [
    400942.674291438,
    4948884.331173489
   ],
   "end_xy": [
    400940.8852371331,
    4948883.4371463675
   ]
  },
  "max_3m": {
   "gradient_pct": 46.78818814669512,
   "start_distance_m": 1107.0,
   "end_distance_m": 1110.0,
   "midpoint_distance_m": 1108.5,
   "start_elevation_m": 262.31282432739647,
   "end_elevation_m": 263.7164699717973,
   "start_xy": [
    400943.4724060482,
    4948884.93206318
   ],
   "end_xy": [
    400940.8852371331,
    4948883.4371463675
   ]
  }
 },
 "diagnostic_note": "Windows <=3 m are at raster-noise scale (1-sigma raster noise alone is roughly +/-7 pp at 2 m and +/-5 pp at 3 m on a 1 m DTM). Diagnostic use only: never a headline or ranking value.",
 "quality_summary": {
  "review": [],
  "extent": []
 },
 "provenance": {
  "analysis_version": "0.1.0",
  "sample_interval_m": 1.0,
  "interpolation": "bilinear",
  "smoothing": "none",
  "gradient_windows_m": [
   5.0,
   10.0,
   20.0,
   25.0,
   50.0,
   100.0
  ],
  "diagnostic_windows_m": [
   2.0,
   3.0
  ],
  "elevation_crs": "EPSG:26919",
  "elevation_resolution_m": 1.0,
  "elevation_tiles": [
   "data/cache/usa/me/USGS_1M_19_x40y495_ME_WesternMtns_B24.tif"
  ],
  "calculated_at": "2026-09-03T19:02:05+00:00",
  "road_source": "/mnt/HC_Volume_106727764/site-corpus-fresh/us/mitchell-brook-road/mitchell-brook-road.geojson",
  "run_id": "canopy-all-260903",
  "elevation_provider": "USGS 3DEP (The National Map)",
  "elevation_licence": "Public domain \u2014 USGS 3DEP 1 m DEM, courtesy of the U.S. Geological Survey",
  "elevation_dataset": "USGS 3DEP 1 m DEM, ME_WesternMtns_B24 (collected 2024)",
  "elevation_tile_ids": [
   "x40y495"
  ],
  "climb_origin": "discovered",
  "canopy_check": "unavailable \u2014 EPT corridor failed: USGS_LPC_ME_NRCS_Lot4_2013_LAS_2015: no corridor points fetched; ME_SouthCentral_1_B22: no corridor points fetched",
  "license": "ODbL-1.0",
  "license_url": "https://howsteep.org/licensing.html"
 },
 "area": {
  "place": "Temple",
  "county": "Maine"
 }
}