{
 "checked": "2026-10-23",
 "method": "30 random points from a fixed seed (20261023), 10 each inside Colorado, Idaho and Montana (Census TIGERweb state lines). At each, the land manager FilledTag's map shows (BLM Surface Management Agency layer, as the map asks it) was compared with the owner on the county parcel record where there is one, and with USGS PAD-US 4.1 fee ownership where there is not. Private owners' names are not repeated in this file.",
 "sources": [
  {
   "name": "BLM Surface Management Agency (national)",
   "url": "https://gis.blm.gov/arcgis/rest/services/lands/BLM_Natl_SMA_Cached_with_PriUnk/MapServer/1/query",
   "use": "what FilledTag's map shows"
  },
  {
   "name": "State of Colorado public parcel map (Office of Information Technology, county assessor records)",
   "url": "https://gis.colorado.gov/public/rest/services/Address_and_Parcel/Colorado_Public_Parcels/FeatureServer/0/query",
   "use": "owner on record, Colorado"
  },
  {
   "name": "State of Idaho public parcel map (13 of 44 counties)",
   "url": "https://services1.arcgis.com/CNPdEkvnGl65jCX8/arcgis/rest/services/Public_Idaho_Parcels_/FeatureServer/7/query",
   "use": "owner on record, Idaho"
  },
  {
   "name": "Montana State Library cadastral parcels (Montana Cadastral Framework, layer edited 13 October 2026)",
   "url": "https://services.arcgis.com/qnjIrwR8z5Izc0ij/arcgis/rest/services/Montana_Cadastral_Framework/FeatureServer/1/query",
   "use": "owner on record, Montana"
  },
  {
   "name": "USGS PAD-US 4.1 fee managers (service edited 4 June 2025)",
   "url": "https://services.arcgis.com/v01gqwM5QqNysAAi/arcgis/rest/services/Fee_Managers_PADUS/FeatureServer/0/query",
   "use": "public ownership where there is no parcel record"
  },
  {
   "name": "USDA Forest Service basic ownership",
   "url": "https://apps.fs.usda.gov/arcx/rest/services/EDW/EDW_BasicOwnership_02/MapServer/0/query",
   "use": "second federal record"
  }
 ],
 "total": 30,
 "compared": 30,
 "matched": 28,
 "mismatched": 2,
 "notCompared": 0,
 "points": [
  {
   "id": "CO-01",
   "state": "CO",
   "lat": 37.47104,
   "lon": -103.36202,
   "filledtag": {
    "managedBy": "Private",
    "smaCode": "PVT",
    "mapLabel": "Private",
    "parcelOwner": null,
    "status": "private"
   },
   "agency": {
    "parcelOwner": null,
    "parcelCounty": null,
    "parcelSource": null,
    "padus": "no fee record",
    "forestService": null,
    "status": "private",
    "from": "PAD-US (no public fee record there)"
   },
   "match": true,
   "notes": []
  },
  {
   "id": "CO-02",
   "state": "CO",
   "lat": 40.78942,
   "lon": -108.78904,
   "filledtag": {
    "managedBy": "Bureau of Land Management",
    "smaCode": "BLM",
    "mapLabel": "Bureau of Land Management",
    "parcelOwner": "UNITED STATES OF AMERICA",
    "status": "public"
   },
   "agency": {
    "parcelOwner": "UNITED STATES OF AMERICA",
    "parcelCounty": "Moffat",
    "parcelSource": "State of Colorado public parcel map (county assessor records)",
    "padus": "BLM / Little Snake Field Office",
    "forestService": null,
    "status": "public",
    "from": "parcel record"
   },
   "match": true,
   "notes": []
  },
  {
   "id": "CO-03",
   "state": "CO",
   "lat": 39.05251,
   "lon": -104.69565,
   "filledtag": {
    "managedBy": "Private",
    "smaCode": "PVT",
    "mapLabel": "Private",
    "parcelOwner": null,
    "status": "private"
   },
   "agency": {
    "parcelOwner": null,
    "parcelCounty": "El Paso",
    "parcelSource": "State of Colorado public parcel map (county assessor records)",
    "padus": "no fee record",
    "forestService": null,
    "status": "private",
    "from": "PAD-US (no public fee record there)"
   },
   "match": true,
   "notes": []
  },
  {
   "id": "CO-04",
   "state": "CO",
   "lat": 37.88929,
   "lon": -106.34988,
   "filledtag": {
    "managedBy": "State of Colorado",
    "smaCode": "ST",
    "mapLabel": "State of Colorado",
    "parcelOwner": "STATE LAND BOARD",
    "status": "public"
   },
   "agency": {
    "parcelOwner": "STATE LAND BOARD",
    "parcelCounty": "Saguache",
    "parcelSource": "State of Colorado public parcel map (county assessor records)",
    "padus": "SLB / Biedell Creek",
    "forestService": null,
    "status": "public",
    "from": "parcel record"
   },
   "match": true,
   "notes": []
  },
  {
   "id": "CO-05",
   "state": "CO",
   "lat": 39.00799,
   "lon": -103.29269,
   "filledtag": {
    "managedBy": "Private",
    "smaCode": "PVT",
    "mapLabel": "Private",
    "parcelOwner": null,
    "status": "private"
   },
   "agency": {
    "parcelOwner": null,
    "parcelCounty": null,
    "parcelSource": null,
    "padus": "no fee record",
    "forestService": null,
    "status": "private",
    "from": "PAD-US (no public fee record there)"
   },
   "match": true,
   "notes": []
  },
  {
   "id": "CO-06",
   "state": "CO",
   "lat": 38.02035,
   "lon": -105.51278,
   "filledtag": {
    "managedBy": "Private",
    "smaCode": "PVT",
    "mapLabel": "Private",
    "parcelOwner": "private owner (name on record, not repeated here)",
    "status": "private"
   },
   "agency": {
    "parcelOwner": "private owner (name on record, not repeated here)",
    "parcelCounty": "Custer",
    "parcelSource": "State of Colorado public parcel map (county assessor records)",
    "padus": "no fee record",
    "forestService": "NON-FS",
    "status": "private",
    "from": "parcel record"
   },
   "match": true,
   "notes": []
  },
  {
   "id": "CO-07",
   "state": "CO",
   "lat": 37.53514,
   "lon": -106.77584,
   "filledtag": {
    "managedBy": "National Forest (Forest Service)",
    "smaCode": "USFS",
    "mapLabel": "National Forest (Forest Service)",
    "parcelOwner": null,
    "status": "public"
   },
   "agency": {
    "parcelOwner": null,
    "parcelCounty": null,
    "parcelSource": null,
    "padus": "USFS / Rio Grande National Forest",
    "forestService": "USDA FOREST SERVICE",
    "status": "public",
    "from": "PAD-US"
   },
   "match": true,
   "notes": []
  },
  {
   "id": "CO-08",
   "state": "CO",
   "lat": 38.91161,
   "lon": -105.8768,
   "filledtag": {
    "managedBy": "Private",
    "smaCode": "PVT",
    "mapLabel": "Private",
    "parcelOwner": "private owner (name on record, not repeated here)",
    "status": "private"
   },
   "agency": {
    "parcelOwner": "private owner (name on record, not repeated here)",
    "parcelCounty": "Park",
    "parcelSource": "State of Colorado public parcel map (county assessor records)",
    "padus": "no fee record",
    "forestService": null,
    "status": "private",
    "from": "parcel record"
   },
   "match": true,
   "notes": []
  },
  {
   "id": "CO-09",
   "state": "CO",
   "lat": 40.59863,
   "lon": -103.89352,
   "filledtag": {
    "managedBy": "Private",
    "smaCode": "PVT",
    "mapLabel": "Private",
    "parcelOwner": "private owner (name on record, not repeated here)",
    "status": "private"
   },
   "agency": {
    "parcelOwner": "private owner (name on record, not repeated here)",
    "parcelCounty": "Weld",
    "parcelSource": "State of Colorado public parcel map (county assessor records)",
    "padus": "no fee record",
    "forestService": null,
    "status": "private",
    "from": "parcel record"
   },
   "match": true,
   "notes": []
  },
  {
   "id": "CO-10",
   "state": "CO",
   "lat": 39.73009,
   "lon": -107.6548,
   "filledtag": {
    "managedBy": "National Forest (Forest Service)",
    "smaCode": "USFS",
    "mapLabel": "National Forest (Forest Service)",
    "parcelOwner": "WHITE RIVER NATIONAL FOREST",
    "status": "public"
   },
   "agency": {
    "parcelOwner": "WHITE RIVER NATIONAL FOREST",
    "parcelCounty": "Garfield",
    "parcelSource": "State of Colorado public parcel map (county assessor records)",
    "padus": "USFS / White River National Forest",
    "forestService": "USDA FOREST SERVICE",
    "status": "public",
    "from": "parcel record"
   },
   "match": true,
   "notes": []
  },
  {
   "id": "ID-01",
   "state": "ID",
   "lat": 45.7906,
   "lon": -115.40666,
   "filledtag": {
    "managedBy": "National Forest (Forest Service)",
    "smaCode": "USFS",
    "mapLabel": "National Forest (Forest Service)",
    "parcelOwner": null,
    "status": "public"
   },
   "agency": {
    "parcelOwner": null,
    "parcelCounty": null,
    "parcelSource": null,
    "padus": "USFS / Nezperce National Forest",
    "forestService": "USDA FOREST SERVICE",
    "status": "public",
    "from": "PAD-US"
   },
   "match": true,
   "notes": [
    "no parcel record: this county does not share parcels with Idaho's state map"
   ]
  },
  {
   "id": "ID-02",
   "state": "ID",
   "lat": 42.41708,
   "lon": -111.68894,
   "filledtag": {
    "managedBy": "Private",
    "smaCode": "PVT",
    "mapLabel": "Private",
    "parcelOwner": null,
    "status": "private"
   },
   "agency": {
    "parcelOwner": null,
    "parcelCounty": null,
    "parcelSource": null,
    "padus": "no fee record",
    "forestService": null,
    "status": "private",
    "from": "PAD-US (no public fee record there)"
   },
   "match": true,
   "notes": [
    "no parcel record: this county does not share parcels with Idaho's state map"
   ]
  },
  {
   "id": "ID-03",
   "state": "ID",
   "lat": 46.1876,
   "lon": -114.71296,
   "filledtag": {
    "managedBy": "National Forest (Forest Service)",
    "smaCode": "USFS",
    "mapLabel": "National Forest (Forest Service)",
    "parcelOwner": null,
    "status": "public"
   },
   "agency": {
    "parcelOwner": null,
    "parcelCounty": null,
    "parcelSource": null,
    "padus": "USFS / Nezperce National Forest",
    "forestService": "USDA FOREST SERVICE",
    "status": "public",
    "from": "PAD-US"
   },
   "match": true,
   "notes": [
    "no parcel record: this county does not share parcels with Idaho's state map"
   ]
  },
  {
   "id": "ID-04",
   "state": "ID",
   "lat": 43.67513,
   "lon": -113.1678,
   "filledtag": {
    "managedBy": "Bureau of Land Management",
    "smaCode": "BLM",
    "mapLabel": "Bureau of Land Management",
    "parcelOwner": null,
    "status": "public"
   },
   "agency": {
    "parcelOwner": null,
    "parcelCounty": null,
    "parcelSource": null,
    "padus": "BLM / Upper Snake Field Office",
    "forestService": null,
    "status": "public",
    "from": "PAD-US"
   },
   "match": true,
   "notes": [
    "no parcel record: this county does not share parcels with Idaho's state map"
   ]
  },
  {
   "id": "ID-05",
   "state": "ID",
   "lat": 46.02028,
   "lon": -115.27942,
   "filledtag": {
    "managedBy": "National Forest (Forest Service)",
    "smaCode": "USFS",
    "mapLabel": "National Forest (Forest Service)",
    "parcelOwner": null,
    "status": "public"
   },
   "agency": {
    "parcelOwner": null,
    "parcelCounty": null,
    "parcelSource": null,
    "padus": "USFS / Nezperce National Forest",
    "forestService": "USDA FOREST SERVICE",
    "status": "public",
    "from": "PAD-US"
   },
   "match": true,
   "notes": [
    "no parcel record: this county does not share parcels with Idaho's state map"
   ]
  },
  {
   "id": "ID-06",
   "state": "ID",
   "lat": 42.62468,
   "lon": -114.80481,
   "filledtag": {
    "managedBy": "Private",
    "smaCode": "PVT",
    "mapLabel": "Private",
    "parcelOwner": null,
    "status": "private"
   },
   "agency": {
    "parcelOwner": null,
    "parcelCounty": null,
    "parcelSource": null,
    "padus": "no fee record",
    "forestService": null,
    "status": "private",
    "from": "PAD-US (no public fee record there)"
   },
   "match": true,
   "notes": [
    "no parcel record: this county does not share parcels with Idaho's state map"
   ]
  },
  {
   "id": "ID-07",
   "state": "ID",
   "lat": 47.90637,
   "lon": -116.73012,
   "filledtag": {
    "managedBy": "Private",
    "smaCode": "PVT",
    "mapLabel": "Private",
    "parcelOwner": null,
    "status": "private"
   },
   "agency": {
    "parcelOwner": null,
    "parcelCounty": null,
    "parcelSource": null,
    "padus": "no fee record",
    "forestService": null,
    "status": "private",
    "from": "PAD-US (no public fee record there)"
   },
   "match": true,
   "notes": [
    "no parcel record: this county does not share parcels with Idaho's state map"
   ]
  },
  {
   "id": "ID-08",
   "state": "ID",
   "lat": 42.09811,
   "lon": -111.17569,
   "filledtag": {
    "managedBy": "Bureau of Land Management",
    "smaCode": "BLM",
    "mapLabel": "Bureau of Land Management",
    "parcelOwner": "private owner (name on record, not repeated here)",
    "status": "public"
   },
   "agency": {
    "parcelOwner": "private owner (name on record, not repeated here)",
    "parcelCounty": "Bear Lake",
    "parcelSource": "State of Idaho public parcel map (13 of 44 counties)",
    "padus": "BLM / Pocatello Field Office",
    "forestService": null,
    "status": "private",
    "from": "parcel record"
   },
   "match": false,
   "notes": [
    "the parcel roll says private, PAD-US says public"
   ]
  },
  {
   "id": "ID-09",
   "state": "ID",
   "lat": 42.37659,
   "lon": -116.02471,
   "filledtag": {
    "managedBy": "Bureau of Land Management",
    "smaCode": "BLM",
    "mapLabel": "Bureau of Land Management",
    "parcelOwner": null,
    "status": "public"
   },
   "agency": {
    "parcelOwner": null,
    "parcelCounty": null,
    "parcelSource": null,
    "padus": "BLM / Bruneau Field Office",
    "forestService": null,
    "status": "public",
    "from": "PAD-US"
   },
   "match": true,
   "notes": [
    "no parcel record: this county does not share parcels with Idaho's state map"
   ]
  },
  {
   "id": "ID-10",
   "state": "ID",
   "lat": 44.14418,
   "lon": -113.44954,
   "filledtag": {
    "managedBy": "Bureau of Land Management",
    "smaCode": "BLM",
    "mapLabel": "Bureau of Land Management",
    "parcelOwner": null,
    "status": "public"
   },
   "agency": {
    "parcelOwner": null,
    "parcelCounty": null,
    "parcelSource": null,
    "padus": "BLM / Upper Snake Field Office",
    "forestService": null,
    "status": "public",
    "from": "PAD-US"
   },
   "match": true,
   "notes": [
    "no parcel record: this county does not share parcels with Idaho's state map"
   ]
  },
  {
   "id": "MT-01",
   "state": "MT",
   "lat": 46.14838,
   "lon": -108.53395,
   "filledtag": {
    "managedBy": "Private",
    "smaCode": "PVT",
    "mapLabel": "Private",
    "parcelOwner": "private owner (name on record, not repeated here)",
    "status": "private"
   },
   "agency": {
    "parcelOwner": "private owner (name on record, not repeated here)",
    "parcelCounty": "Musselshell",
    "parcelSource": "Montana State Library cadastral parcels (county assessor records)",
    "padus": "no fee record",
    "forestService": null,
    "status": "private",
    "from": "parcel record"
   },
   "match": true,
   "notes": []
  },
  {
   "id": "MT-02",
   "state": "MT",
   "lat": 46.8182,
   "lon": -111.18685,
   "filledtag": {
    "managedBy": "Private",
    "smaCode": "PVT",
    "mapLabel": "Private",
    "parcelOwner": "private owner (name on record, not repeated here)",
    "status": "private"
   },
   "agency": {
    "parcelOwner": "private owner (name on record, not repeated here)",
    "parcelCounty": "Meagher",
    "parcelSource": "Montana State Library cadastral parcels (county assessor records)",
    "padus": "no fee record",
    "forestService": null,
    "status": "private",
    "from": "parcel record"
   },
   "match": true,
   "notes": []
  },
  {
   "id": "MT-03",
   "state": "MT",
   "lat": 47.56774,
   "lon": -115.23151,
   "filledtag": {
    "managedBy": "National Forest (Forest Service)",
    "smaCode": "USFS",
    "mapLabel": "National Forest (Forest Service)",
    "parcelOwner": "USDA FOREST SERVICE",
    "status": "public"
   },
   "agency": {
    "parcelOwner": "USDA FOREST SERVICE",
    "parcelCounty": "Sanders",
    "parcelSource": "Montana State Library cadastral parcels (county assessor records)",
    "padus": "USFS / Lolo National Forest",
    "forestService": "USDA FOREST SERVICE",
    "status": "public",
    "from": "parcel record"
   },
   "match": true,
   "notes": []
  },
  {
   "id": "MT-04",
   "state": "MT",
   "lat": 48.99206,
   "lon": -110.4617,
   "filledtag": {
    "managedBy": "Private",
    "smaCode": "PVT",
    "mapLabel": "Private",
    "parcelOwner": "STATE OF MONTANA",
    "status": "private"
   },
   "agency": {
    "parcelOwner": "STATE OF MONTANA",
    "parcelCounty": "Hill",
    "parcelSource": "Montana State Library cadastral parcels (county assessor records)",
    "padus": "SFW / Lost River Wildlife Management Area",
    "forestService": null,
    "status": "public",
    "from": "parcel record"
   },
   "match": false,
   "notes": []
  },
  {
   "id": "MT-05",
   "state": "MT",
   "lat": 48.81215,
   "lon": -106.48315,
   "filledtag": {
    "managedBy": "Private",
    "smaCode": "PVT",
    "mapLabel": "Private",
    "parcelOwner": "private owner (name on record, not repeated here)",
    "status": "private"
   },
   "agency": {
    "parcelOwner": "private owner (name on record, not repeated here)",
    "parcelCounty": "Valley",
    "parcelSource": "Montana State Library cadastral parcels (county assessor records)",
    "padus": "no fee record",
    "forestService": null,
    "status": "private",
    "from": "parcel record"
   },
   "match": true,
   "notes": []
  },
  {
   "id": "MT-06",
   "state": "MT",
   "lat": 45.22158,
   "lon": -110.70444,
   "filledtag": {
    "managedBy": "National Forest (Forest Service)",
    "smaCode": "USFS",
    "mapLabel": "National Forest (Forest Service)",
    "parcelOwner": "USDA FOREST SERVICE",
    "status": "public"
   },
   "agency": {
    "parcelOwner": "USDA FOREST SERVICE",
    "parcelCounty": "Park",
    "parcelSource": "Montana State Library cadastral parcels (county assessor records)",
    "padus": "USFS / Gallatin National Forest",
    "forestService": "USDA FOREST SERVICE",
    "status": "public",
    "from": "parcel record"
   },
   "match": true,
   "notes": []
  },
  {
   "id": "MT-07",
   "state": "MT",
   "lat": 48.83781,
   "lon": -113.8293,
   "filledtag": {
    "managedBy": "National Park Service",
    "smaCode": "NPS",
    "mapLabel": "National Park Service",
    "parcelOwner": null,
    "status": "public"
   },
   "agency": {
    "parcelOwner": null,
    "parcelCounty": "Flathead",
    "parcelSource": "Montana State Library cadastral parcels (county assessor records)",
    "padus": "NPS / Glacier National Park",
    "forestService": null,
    "status": "public",
    "from": "PAD-US"
   },
   "match": true,
   "notes": []
  },
  {
   "id": "MT-08",
   "state": "MT",
   "lat": 45.14288,
   "lon": -111.9314,
   "filledtag": {
    "managedBy": "National Forest (Forest Service)",
    "smaCode": "USFS",
    "mapLabel": "National Forest (Forest Service)",
    "parcelOwner": "USDA FOREST SERVICE",
    "status": "public"
   },
   "agency": {
    "parcelOwner": "USDA FOREST SERVICE",
    "parcelCounty": "Madison",
    "parcelSource": "Montana State Library cadastral parcels (county assessor records)",
    "padus": "USFS / Beaverhead National Forest",
    "forestService": "USDA FOREST SERVICE",
    "status": "public",
    "from": "parcel record"
   },
   "match": true,
   "notes": []
  },
  {
   "id": "MT-09",
   "state": "MT",
   "lat": 48.73339,
   "lon": -108.63008,
   "filledtag": {
    "managedBy": "Private",
    "smaCode": "PVT",
    "mapLabel": "Private",
    "parcelOwner": "private owner (name on record, not repeated here)",
    "status": "private"
   },
   "agency": {
    "parcelOwner": "private owner (name on record, not repeated here)",
    "parcelCounty": "Blaine",
    "parcelSource": "Montana State Library cadastral parcels (county assessor records)",
    "padus": "no fee record",
    "forestService": null,
    "status": "private",
    "from": "parcel record"
   },
   "match": true,
   "notes": []
  },
  {
   "id": "MT-10",
   "state": "MT",
   "lat": 47.90382,
   "lon": -111.94314,
   "filledtag": {
    "managedBy": "Private",
    "smaCode": "PVT",
    "mapLabel": "Private",
    "parcelOwner": "private owner (name on record, not repeated here)",
    "status": "private"
   },
   "agency": {
    "parcelOwner": "private owner (name on record, not repeated here)",
    "parcelCounty": "Teton",
    "parcelSource": "Montana State Library cadastral parcels (county assessor records)",
    "padus": "no fee record",
    "forestService": null,
    "status": "private",
    "from": "parcel record"
   },
   "match": true,
   "notes": []
  }
 ]
}