{
  "site_name": "Kiowa County Landfill (KS)",
  "landfill_id": 21182,
  "lat": 37.533855,
  "lon": -99.294238,
  "source": "mass_run",
  "measurement": {
    "hard_fail": false,
    "native_srs_label": "UTM14 WGS84 EPSG:32614",
    "epoch_a_date_nominal": "2014",
    "epoch_b_date_nominal": "2018",
    "epoch_dates_independently_verified": true,
    "usable_coverage_pct": 98.8,
    "n_stable_control_cells": 81820,
    "evidence_refs": [
      "epoch_a: kind=ept label='USGS_LPC_KS_Area2_2014_LAS_2015' n_ground_points=523705 runtime_s=7.7",
      "epoch_b: kind=ept label='KS_Statewide_B9_2018' n_ground_points=2300510 runtime_s=14.5"
    ],
    "meta": {
      "epoch_a": {
        "runtime_s": 7.697732586000257,
        "n_points": 523705,
        "text_bytes": 16234867
      },
      "epoch_b": {
        "runtime_s": 14.490424301000076,
        "n_points": 2300510,
        "text_bytes": 71315822
      },
      "grid_nx": 500,
      "grid_ny": 500
    },
    "stable_control_offset_m": 0.1529,
    "stable_control_sigma_m": 0.0955,
    "detection_threshold_m": 0.2864,
    "volume_change_m3": 23957.1,
    "uncertainty_m3": 30.8,
    "uncertainty_to_change_ratio": 0.0013,
    "classification": "DECISION_USEFUL_CHANGE_DETECTED",
    "landfill_id": 21182,
    "name": "Kiowa County Landfill",
    "state": "KS",
    "lat": 37.533855,
    "lon": -99.294238,
    "site_note": "poligono sintetico (buffer 200x200m sobre coordenada LMOP real), NO el parcel legal exacto",
    "datum_note": "UTM WGS84, no NAD83(2011) especifico por estado - ver docstring de lmop_mass_runner.py"
  }
}