{
  "title": "William A. Young",
  "era": "Later two-mast towing form",
  "version": "1.1",
  "modelStatus": "Interpretive reconstruction; no original lines plan recovered",
  "detailLevel": "full",
  "units": "metres",
  "axes": {
    "up": "+Y",
    "bow": "-X",
    "starboard": "+Z"
  },
  "historicalDimensions": {
    "lengthFeet": 165,
    "beamFeet": 30,
    "depthOfHoldFeet": 11,
    "beamInferred": false,
    "holdDepthUnknown": false,
    "dimensionsSourceQuality": "Selected documentary baseline; see vessel research notes for length and beam conflicts"
  },
  "geometryReference": {
    "hullBowX": -25.146,
    "hullSternX": 25.146,
    "deckY": 4.2,
    "waterlineY": 3.0,
    "waterlineIsInferred": true
  },
  "bounds": {
    "min": [
      -28.940049812954456,
      0.0050000000000000044,
      -4.657000000000001
    ],
    "max": [
      25.231,
      28.70364677813262,
      4.657000000000001
    ]
  },
  "triangleCount": 44510,
  "trianglesByGroup": {
    "hull": 12950,
    "bulwarks": 9490,
    "fittings": 2892,
    "deck": 7490,
    "propulsion": 52,
    "anchors": 636,
    "deckhouses": 1104,
    "skylights": 60,
    "spars": 2296,
    "standing_rigging": 2304,
    "running_rigging": 336,
    "furled_canvas": 2000,
    "cargo_hatches": 180,
    "hatch_covers": 468,
    "ship_boat": 1816,
    "steering": 412,
    "towing_gear": 24
  },
  "drawCalls": 50,
  "mastCount": 2,
  "supportsSails": false,
  "visibilityNodes": {
    "hatches": "hatch_covers"
  },
  "deployedSailCount": 0,
  "inferredFeatures": [
    "Underwater hull lines and draft",
    "Exact colors, fittings, hatch layout and rigging routes"
  ],
  "configurationCaveat": "Later two-mast towbarge interpretation; records describe an earlier three-mast rig. Dimensions are documented in a historical compilation. Deck layout, hull lines and spar placement use contemporary consort comparisons; no ship-specific portrait was accessible.",
  "sources": [
    {
      "title": "NOAA Thunder Bay environmental statement",
      "url": "https://repository.library.noaa.gov/view/noaa/32094/noaa_32094_DS1.pdf",
      "use": "Table 4.3 lists Young, William A., schooner, 1883 and 17 November 1911. This is corroboration of identity and dates, not a lines plan."
    },
    {
      "title": "David Swayze, Great Lakes Shipwreck Files, X–Z",
      "url": "https://greatlakesrex.wordpress.com/x/",
      "use": "Historical compilation: William A. Young, 165 × 30 × 11 ft, wooden two-mast schooner barge at loss, built as three-mast schooner. Do not confuse with William Young lost in the Straits in 1891."
    },
    {
      "title": "NOAA Harvey Bissell",
      "url": "https://thunderbay.noaa.gov/shipwrecks/harvey_bissell.html",
      "use": "Earlier batch inspected its historic image: regional two-mast towbarge comparison for restrained deck and towing layout; not direct evidence of Young."
    }
  ],
  "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 historical compilation gives 165×30×11 ft for a wooden two-mast schooner barge with an earlier three-mast rig. [David Swayze, Great Lakes Shipwreck Files, X–Z](https://greatlakesrex.wordpress.com/x/)"
  ]
}