{
  "title": "CNHP fen-service comparison: integration supplement",
  "checked": "2026-09-23",
  "claim_id": "HWF:INT-C001",
  "query_envelope_wgs84": [
    -106.42674411093986,
    39.4195007265812,
    -106.3487682000093,
    39.48527355582199
  ],
  "geometry_crs": "EPSG:32613",
  "old_feature_count": 18,
  "new_feature_count": 6,
  "classifications": [
    "Potential Fen"
  ],
  "new_features_with_any_old_overlap": 5,
  "new_features_without_old_overlap": 1,
  "equal_geometry_pairs": 0,
  "matches": [
    {
      "new_service_object_id": 16057,
      "old_service_best_overlap_object_id": 2941,
      "intersection_over_union": 0.030391,
      "classification": "Potential Fen",
      "identity_confirmed": false
    },
    {
      "new_service_object_id": 16064,
      "old_service_best_overlap_object_id": 2994,
      "intersection_over_union": 0.14861,
      "classification": "Potential Fen",
      "identity_confirmed": false
    },
    {
      "new_service_object_id": 16065,
      "old_service_best_overlap_object_id": 2080,
      "intersection_over_union": 0.655155,
      "classification": "Potential Fen",
      "identity_confirmed": false
    },
    {
      "new_service_object_id": 16066,
      "old_service_best_overlap_object_id": null,
      "intersection_over_union": 0.0,
      "classification": "Potential Fen",
      "identity_confirmed": false
    },
    {
      "new_service_object_id": 16067,
      "old_service_best_overlap_object_id": 5441,
      "intersection_over_union": 0.783462,
      "classification": "Potential Fen",
      "identity_confirmed": false
    },
    {
      "new_service_object_id": 16068,
      "old_service_best_overlap_object_id": 2105,
      "intersection_over_union": 0.502892,
      "classification": "Potential Fen",
      "identity_confirmed": false
    }
  ],
  "method": "Same WGS84 envelope, esriSpatialRelIntersects, all fields, unsimplified geometry returned in EPSG:32613. Rings reconstructed by symmetric difference with invalid rings repaired. Compare whole returned polygons; IoU is intersection area divided by union area. Pair candidates are geometric comparisons, not established source identity.",
  "decision": "Retain the September 18 dated inventory. Geometry comparison is complete; authoritative version correspondence, classification and source currency remain questions for CNHP. No change to reservoir overlaps or impact acreage.",
  "sources": [
    {
      "url": "https://cnhp.colostate.edu/arcgis/rest/services/Wetland_Inv/Fen_Mapping/MapServer/0/query",
      "sha256": "2d191932eb9a6a1208765d5fa514dd103f5b5296bdad9bbed8aa3c1c1b00bc13"
    },
    {
      "url": "https://cnhp.colostate.edu/arcgis/rest/services/Fens_2025/MapServer/0/query",
      "sha256": "a95dbe8a70f1eae60767d502bd4a23c845cfa4e8679bfab092b78da245c74202"
    }
  ],
  "query_parameters": {
    "f": "json",
    "where": "1=1",
    "geometry": "-106.42674411093986,39.4195007265812,-106.3487682000093,39.48527355582199",
    "geometryType": "esriGeometryEnvelope",
    "inSR": 4326,
    "spatialRel": "esriSpatialRelIntersects",
    "outFields": "*",
    "returnGeometry": "true",
    "outSR": 32613
  }
}