{
 "ocl_version": "0.1.0",
 "name": "Blueberry Mountain Road",
 "slug": "blueberry-mountain-road",
 "confidence": "A",
 "reported_claims": [],
 "ladder": [
  {
   "window_m": 2.0,
   "max_gradient_pct": 23.67803649622431,
   "diagnostic": true,
   "flags": [],
   "start_distance_m": 666.0,
   "end_distance_m": 668.0,
   "start_elevation_m": 313.17662215570886,
   "end_elevation_m": 313.65018288563334,
   "min_gradient_pct": -8.067423822748765
  },
  {
   "window_m": 3.0,
   "max_gradient_pct": 20.38668313435892,
   "diagnostic": true,
   "flags": [],
   "start_distance_m": 1209.0,
   "end_distance_m": 1212.0,
   "start_elevation_m": 381.82951650816426,
   "end_elevation_m": 382.441117002195,
   "min_gradient_pct": -5.836436345839502
  },
  {
   "window_m": 5.0,
   "max_gradient_pct": 20.326699685026597,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 1207.0,
   "end_distance_m": 1212.0,
   "start_elevation_m": 381.4247820179437,
   "end_elevation_m": 382.441117002195,
   "min_gradient_pct": -1.8545111256889868
  },
  {
   "window_m": 10.0,
   "max_gradient_pct": 19.763393646953205,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 1204.0,
   "end_distance_m": 1214.0,
   "start_elevation_m": 380.8541028020654,
   "end_elevation_m": 382.83044216676075,
   "min_gradient_pct": -1.3419607726132199
  },
  {
   "window_m": 20.0,
   "max_gradient_pct": 17.862277583561763,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 1144.0,
   "end_distance_m": 1164.0,
   "start_elevation_m": 372.24031285922183,
   "end_elevation_m": 375.8127683759342,
   "min_gradient_pct": -0.35979471176176503
  },
  {
   "window_m": 25.0,
   "max_gradient_pct": 17.70725485951175,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 1143.0,
   "end_distance_m": 1168.0,
   "start_elevation_m": 372.06385853759684,
   "end_elevation_m": 376.4906722524748,
   "min_gradient_pct": -0.05038185062903722
  },
  {
   "window_m": 50.0,
   "max_gradient_pct": 16.865418357729027,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 606.0,
   "end_distance_m": 656.0,
   "start_elevation_m": 303.5830952502778,
   "end_elevation_m": 312.0158044291423,
   "min_gradient_pct": 0.18754105136201815
  },
  {
   "window_m": 100.0,
   "max_gradient_pct": 15.770402588498428,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 571.0,
   "end_distance_m": 671.0,
   "start_elevation_m": 298.2755222870015,
   "end_elevation_m": 314.0459248754999,
   "min_gradient_pct": 1.484607648894439
  }
 ],
 "shape": {
  "ascent_concentration": 0.381,
  "concentration_window_frac": 0.25,
  "longest_pitch_10pct_m": 363.0,
  "shape_class": "sustained"
 },
 "length_m": 2567.7512081494074,
 "start_elevation_m": 261.19788710626005,
 "end_elevation_m": 481.43063639477225,
 "endpoint_gain_m": 220.2327492885122,
 "overall_gradient_pct": 8.576872579771276,
 "accumulated_ascent_m": 221.53368991360833,
 "window_maxima": {
  "max_5m": {
   "gradient_pct": 20.326699685026597,
   "start_distance_m": 1207.0,
   "end_distance_m": 1212.0,
   "midpoint_distance_m": 1209.5,
   "start_elevation_m": 381.4247820179437,
   "end_elevation_m": 382.441117002195,
   "start_xy": [
    384228.50555143115,
    4955869.226779831
   ],
   "end_xy": [
    384225.6596413107,
    4955873.337836909
   ]
  },
  "max_10m": {
   "gradient_pct": 19.763393646953205,
   "start_distance_m": 1204.0,
   "end_distance_m": 1214.0,
   "midpoint_distance_m": 1209.0,
   "start_elevation_m": 380.8541028020654,
   "end_elevation_m": 382.83044216676075,
   "start_xy": [
    384230.20725402643,
    4955866.756136868
   ],
   "end_xy": [
    384224.52170596126,
    4955874.98255659
   ]
  },
  "max_20m": {
   "gradient_pct": 17.862277583561763,
   "start_distance_m": 1144.0,
   "end_distance_m": 1164.0,
   "midpoint_distance_m": 1154.0,
   "start_elevation_m": 372.24031285922183,
   "end_elevation_m": 375.8127683759342,
   "start_xy": [
    384252.9034280059,
    4955811.852070402
   ],
   "end_xy": [
    384248.3345797333,
    4955831.323216403
   ]
  },
  "max_25m": {
   "gradient_pct": 17.70725485951175,
   "start_distance_m": 1143.0,
   "end_distance_m": 1168.0,
   "midpoint_distance_m": 1155.5,
   "start_elevation_m": 372.06385853759684,
   "end_elevation_m": 376.4906722524748,
   "start_xy": [
    384253.13170978654,
    4955810.878475341
   ],
   "end_xy": [
    384247.4214935957,
    4955835.217605813
   ]
  },
  "max_50m": {
   "gradient_pct": 16.865418357729027,
   "start_distance_m": 606.0,
   "end_distance_m": 656.0,
   "midpoint_distance_m": 631.0,
   "start_elevation_m": 303.5830952502778,
   "end_elevation_m": 312.0158044291423,
   "start_xy": [
    384410.0667601066,
    4955311.803923646
   ],
   "end_xy": [
    384413.108010677,
    4955360.716822874
   ]
  },
  "max_100m": {
   "gradient_pct": 15.770402588498428,
   "start_distance_m": 571.0,
   "end_distance_m": 671.0,
   "midpoint_distance_m": 621.0,
   "start_elevation_m": 298.2755222870015,
   "end_elevation_m": 314.0459248754999,
   "start_xy": [
    384396.139081121,
    4955279.721733417
   ],
   "end_xy": [
    384409.09305274696,
    4955375.169506385
   ]
  }
 },
 "window_minima": {
  "min_5m": {
   "gradient_pct": -1.8545111256889868,
   "start_distance_m": 185.0,
   "end_distance_m": 190.0,
   "midpoint_distance_m": 187.5,
   "start_elevation_m": 274.1340527190003,
   "end_elevation_m": 274.04132716271585,
   "start_xy": [
    384571.377837919,
    4954980.530535835
   ],
   "end_xy": [
    384567.3081573761,
    4954983.435307818
   ]
  },
  "min_10m": {
   "gradient_pct": -1.3419607726132199,
   "start_distance_m": 182.0,
   "end_distance_m": 192.0,
   "midpoint_distance_m": 187.0,
   "start_elevation_m": 274.15769784396565,
   "end_elevation_m": 274.0235017667043,
   "start_xy": [
    384573.8201188343,
    4954978.788335328
   ],
   "end_xy": [
    384565.68027603027,
    4954984.597203812
   ]
  },
  "min_20m": {
   "gradient_pct": -0.35979471176176503,
   "start_distance_m": 1730.0,
   "end_distance_m": 1750.0,
   "midpoint_distance_m": 1740.0,
   "start_elevation_m": 418.5856049032476,
   "end_elevation_m": 418.51364596089525,
   "start_xy": [
    384074.2275914565,
    4956353.850226849
   ],
   "end_xy": [
    384068.71668400173,
    4956373.075985419
   ]
  },
  "min_25m": {
   "gradient_pct": -0.05038185062903722,
   "start_distance_m": 2529.0,
   "end_distance_m": 2554.0,
   "midpoint_distance_m": 2541.5,
   "start_elevation_m": 481.2897986993097,
   "end_elevation_m": 481.27720323665244,
   "start_xy": [
    383661.91803960805,
    4956784.300451676
   ],
   "end_xy": [
    383686.7559730652,
    4956787.142444038
   ]
  },
  "min_50m": {
   "gradient_pct": 0.18754105136201815,
   "start_distance_m": 1731.0,
   "end_distance_m": 1781.0,
   "midpoint_distance_m": 1756.0,
   "start_elevation_m": 418.6003053753947,
   "end_elevation_m": 418.69407590107573,
   "start_xy": [
    384073.9517721414,
    4956354.811436262
   ],
   "end_xy": [
    384058.270830821,
    4956401.997459217
   ]
  },
  "min_100m": {
   "gradient_pct": 1.484607648894439,
   "start_distance_m": 1694.0,
   "end_distance_m": 1794.0,
   "midpoint_distance_m": 1744.0,
   "start_elevation_m": 417.81895784690096,
   "end_elevation_m": 419.3035654957954,
   "start_xy": [
    384084.93363679084,
    4956319.528409361
   ],
   "end_xy": [
    384050.3925534857,
    4956412.242741398
   ]
  }
 },
 "diagnostic_window_maxima": {
  "max_2m": {
   "gradient_pct": 23.67803649622431,
   "start_distance_m": 666.0,
   "end_distance_m": 668.0,
   "midpoint_distance_m": 667.0,
   "start_elevation_m": 313.17662215570886,
   "end_elevation_m": 313.65018288563334,
   "start_xy": [
    384410.43178038066,
    4955370.35205863
   ],
   "end_xy": [
    384409.89597531286,
    4955372.278950556
   ]
  },
  "max_3m": {
   "gradient_pct": 20.38668313435892,
   "start_distance_m": 1209.0,
   "end_distance_m": 1212.0,
   "midpoint_distance_m": 1210.5,
   "start_elevation_m": 381.82951650816426,
   "end_elevation_m": 382.441117002195,
   "start_xy": [
    384227.3677035747,
    4955870.871560038
   ],
   "end_xy": [
    384225.6596413107,
    4955873.337836909
   ]
  }
 },
 "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_x38y496_ME_WesternMtns_B24.tif"
  ],
  "calculated_at": "2026-09-03T13:05:40+00:00",
  "road_source": "/mnt/HC_Volume_106727764/site-corpus-fresh/us/blueberry-mountain-road/blueberry-mountain-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": [
   "x38y496"
  ],
  "climb_origin": "discovered",
  "canopy_check": "unavailable \u2014 EPT corridor failed: NH_Umbagog_2016: no corridor points fetched",
  "license": "ODbL-1.0",
  "license_url": "https://howsteep.org/licensing.html"
 },
 "area": {
  "place": "Weld",
  "county": "Maine"
 }
}