{
  "title": "John F. Warner",
  "era": "Qualified later towing-barge interpretation, before 1890",
  "version": "1.1",
  "modelStatus": "Interpretive reconstruction; no original lines plan recovered",
  "detailLevel": "full",
  "units": "metres",
  "axes": {
    "up": "+Y",
    "bow": "-X",
    "starboard": "+Z"
  },
  "historicalDimensions": {
    "lengthFeet": 126.75,
    "beamFeet": 26.5,
    "depthOfHoldFeet": 11.19,
    "beamInferred": false,
    "holdDepthUnknown": false,
    "dimensionsSourceQuality": "Selected documentary baseline; see vessel research notes for length and beam conflicts"
  },
  "geometryReference": {
    "hullBowX": -19.3167,
    "hullSternX": 19.3167,
    "deckY": 3.8,
    "waterlineY": 2.65,
    "waterlineIsInferred": true
  },
  "bounds": {
    "min": [
      -22.237880588910894,
      0.0050000000000000044,
      -4.123600000000001
    ],
    "max": [
      19.4017,
      26.803487465802537,
      4.123600000000001
    ]
  },
  "triangleCount": 49856,
  "trianglesByGroup": {
    "hull": 12950,
    "bulwarks": 9298,
    "fittings": 2820,
    "deck": 6660,
    "propulsion": 52,
    "anchors": 636,
    "deckhouses": 1056,
    "skylights": 64,
    "spars": 2056,
    "standing_rigging": 2316,
    "running_rigging": 336,
    "furled_canvas": 1680,
    "cargo_hatches": 120,
    "hatch_covers": 288,
    "deck_cargo": 7296,
    "steering": 412,
    "ship_boat": 1816
  },
  "drawCalls": 56,
  "mastCount": 2,
  "supportsSails": false,
  "visibilityNodes": {
    "cargo": "deck_cargo"
  },
  "deployedSailCount": 0,
  "inferredFeatures": [
    "Underwater hull lines and draft",
    "Exact colors, fittings, hatch layout and rigging routes"
  ],
  "configurationCaveat": "Mast count is unresolved: NOAA’s current page says three, while the historical compilation and tracker say two. This model selects a two-masted towing form, using contemporary consorts for the arrangement. It is not an authenticated portrait or a resolved refit history.",
  "sources": [
    {
      "title": "NOAA vessel record",
      "url": "https://thunderbay.noaa.gov/shipwrecks/john_f_warner.html",
      "use": "Vessel identity, scale, history and surviving evidence"
    },
    {
      "title": "NOAA historical report, printed page 96",
      "url": "https://repository.library.noaa.gov/view/noaa/30199/noaa_30199_DS1.pdf",
      "use": "Indexed report excerpt quotes enrollment dimensions; full PDF access unsuccessful"
    },
    {
      "title": "Great Lakes Shipwreck Files: Warner 12768",
      "url": "https://greatlakesrex.wordpress.com/w/",
      "use": "Secondary two-mast and later towing-barge account; conflict retained"
    },
    {
      "title": "NOAA John T. Johnson photograph and record",
      "url": "https://thunderbay.noaa.gov/shipwrecks/john_t_johnson.html",
      "use": "Closely related lumber-consort comparison, not Warner portrait"
    }
  ],
  "revisedDate": "2026-09-08",
  "revisionNote": "Added sourced documentary features and repaired metadata and research-note formatting; this collection cleanup is not a new full historical or geometry audit.",
  "documentedFeatures": [
    "The quoted enrollment gives 126.75×26.5×11.19 ft. [NOAA historical report, printed page 96](https://repository.library.noaa.gov/view/noaa/30199/noaa_30199_DS1.pdf)"
  ]
}