{
  "generated_at_utc": "2026-09-30T17:50:34Z",
  "country": "BR",
  "region_code": "MT",
  "region_name": "Mato Grosso",
  "crop_source": "MapBiomas Collection 11",
  "fields_in_region_with_history": 1174179,
  "sample_size_requested": 100000,
  "sample_size_actual": 100000,
  "years": [
    1985,
    2025
  ],
  "seed": 42,
  "long_rows": 4099937,
  "files": {
    "field_ids": "mato-grosso-fields-sample-field-ids.txt",
    "long_csv": "mato-grosso-fields-sample-long.csv",
    "long_parquet": "mato-grosso-fields-sample-long.parquet",
    "wide_csv": "mato-grosso-fields-sample-wide.csv",
    "wide_parquet": "mato-grosso-fields-sample-wide.parquet"
  },
  "notes": [
    "Field boundaries: Digifarm. Lat/lon are field centroids.",
    "Crop classes use the MapBiomas Collection 11 legend (native codes, not the US CDL).",
    "One class per field-year from centroid sampling, so fraction is always 1.0."
  ]
}