{
  "title": "Mary M. Scott",
  "era": "Original c.1857 sailing 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": 138.6,
    "beamFeet": 26.6,
    "depthOfHoldFeet": 11.8,
    "beamAndDepthInferred": false
  },
  "geometryReference": {
    "hullBowX": -21.12264,
    "hullSternX": 21.12264,
    "deckY": 3.9,
    "waterlineY": 2.85,
    "waterlineIsInferred": true
  },
  "bounds": {
    "min": [
      -27.900170923644716,
      0.0050000000000000044,
      -4.138840000000001
    ],
    "max": [
      21.189689759223306,
      29.503143899799557,
      4.138840000000001
    ]
  },
  "triangleCount": 57976,
  "trianglesByGroup": {
    "hull": 12668,
    "bulwarks": 9332,
    "fittings": 3256,
    "deck": 6292,
    "propulsion": 52,
    "anchors": 636,
    "deckhouses": 936,
    "cargo_hatches": 120,
    "hatch_covers": 312,
    "ship_boat": 1816,
    "spars": 6424,
    "standing_rigging": 2340,
    "sails": 12256,
    "running_rigging": 1536
  },
  "drawCalls": 51,
  "mastCount": 2,
  "supportsSails": true,
  "visibilityNodes": {
    "sails": "sails"
  },
  "deployedSailCount": 5,
  "inferredFeatures": [
    "Underwater hull lines and draft",
    "Exact colors, fittings, hatch layout and rigging routes",
    "Absolute spar heights and sail shapes"
  ],
  "configurationCaveat": "Uses NPS enrollment dimensions 138.6 x 26.6 x 11.8 ft, rather than the catalogue 130 ft length. Three jibs are reported in an 1870 casualty. Sand Point wreck attribution to Mary M. Scott is probable, not conclusively established.",
  "sources": [
    {
      "title": "Labadie, NPS Submerged Cultural Resources Study: Pictured Rocks National Lakeshore (1989)",
      "url": "https://www.npshistory.com/series/archeology/scrc/22/report.pdf",
      "use": "Printed pp.54–57: probable attribution, enrollment dimensions and three-jib casualty"
    },
    {
      "title": "NPS shipwreck brochure",
      "url": "https://www.npshistory.com/publications/piro/brochures/shipwrecks.pdf",
      "use": "Rounded dimensions; compared against enrollment transcription"
    }
  ],
  "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 1857 enrollment gives 138.6×26.6×11.8 ft, US16424. [Labadie, NPS Submerged Cultural Resources Study: Pictured Rocks National Lakeshore (1989)](https://www.npshistory.com/series/archeology/scrc/22/report.pdf)",
    "Built at Conneaut by Otis De Wolf as a two-masted canal schooner. [Labadie, NPS Submerged Cultural Resources Study: Pictured Rocks National Lakeshore (1989)](https://www.npshistory.com/series/archeology/scrc/22/report.pdf)"
  ]
}