{
  "title": "Smith Moore — original c.1880 configuration",
  "version": "1.1",
  "detailLevel": "full",
  "file": "smith-moore-reconstruction.glb",
  "modelStatus": "Evidence-informed interpretive reconstruction; not a measured archaeological replica",
  "units": "metres",
  "axes": {
    "up": "+Y",
    "bow": "-X",
    "stern": "+X",
    "starboard": "+Z"
  },
  "historicalDimensions": {
    "registeredLengthFeet": 223.4,
    "beamFeet": 35,
    "depthOfHoldFeet": 18.2,
    "lengthMetres": 68.09232,
    "beamMetres": 10.668
  },
  "geometryReference": {
    "hullBowX": -34.04616,
    "hullSternX": 34.04616,
    "deckY": 5.9,
    "waterlineY": 4.25,
    "waterlineIsInferred": true
  },
  "bounds": {
    "min": [
      -42.01892900950583,
      0.0,
      -5.433999999999999
    ],
    "max": [
      34.13579593159834,
      37.800590140493036,
      5.433999999999999
    ]
  },
  "triangleCount": 107506,
  "trianglesByGroup": {
    "hull": 24476,
    "bulwarks": 15124,
    "fittings": 5344,
    "deck": 11924,
    "propulsion": 420,
    "deckhouses": 2640,
    "arched_windows": 4290,
    "pilothouse": 744,
    "machinery": 1592,
    "standing_rigging": 4932,
    "cargo_hatches": 48,
    "hatch_covers": 672,
    "anchors": 780,
    "spars": 13204,
    "sails": 17196,
    "running_rigging": 2304,
    "ship_boat": 1816
  },
  "drawCalls": 67,
  "mastCount": 3,
  "smokestackCount": 1,
  "deployedSailCount": 3,
  "hatchCount": 4,
  "hatchCountIsInferred": true,
  "sources": [
    {
      "title": "ECU comparative report, Table 1",
      "url": "https://maritimestudies.ecu.edu/wp-content/pv-uploads/sites/92/2020/01/ecur013.pdf",
      "use": "See the cited evidence and uncertainty sections in the research notes."
    },
    {
      "title": "NPS Marquette nomination, Section 8",
      "url": "https://npgallery.nps.gov/GetAsset/80d844db-1693-491c-8f88-f74b70f69154/",
      "use": "See the cited evidence and uncertainty sections in the research notes."
    },
    {
      "title": "Beck & Pauli lithograph, Alpena County Library",
      "url": "https://greatlakeships.org/2903806/data",
      "use": "See the cited evidence and uncertainty sections in the research notes."
    },
    {
      "title": "Lithograph public-domain description",
      "url": "https://commons.wikimedia.org/wiki/File:Smith_Moore.jpg",
      "use": "See the cited evidence and uncertainty sections in the research notes."
    },
    {
      "title": "Wreck inventory",
      "url": "https://3dshipwrecks.org/shipwreck-smith-moore/",
      "use": "See the cited evidence and uncertainty sections in the research notes."
    }
  ],
  "inferredFeatures": [
    "Mast heights, hatch count and spacing, underwater lines, propeller, boat detail, hardware and paint pigments are interpreted.",
    "Two existing cowl ventilators were repositioned closer to the funnel; a duplicate pair was not added. Window arches follow the print, while window sizes and unseen faces remain estimates."
  ],
  "excluded": [
    "1888 external steel strengthening arches: model represents original configuration",
    "Interior steam engine and cargo holds",
    "Wreck survey or photogrammetry geometry",
    "Modern fittings"
  ],
  "integration": {
    "format": "binary glTF 2.0",
    "selfContained": true,
    "textures": false,
    "sailsToggleNode": "sails",
    "recommendedAsset": "smith-moore-map.glb",
    "waterPlacement": "Translate Y by -4.25 m for the illustrative lake surface at Y=0"
  },
  "revisedDate": "2026-09-08",
  "revisionNote": "Corrected the September 2026 audit findings and distinguished documentary evidence, interpretation and unresolved conflicts.",
  "documentedFeatures": [
    "The dimensional baseline is 223.4 × 35 × 18.2 ft. [ECU Research Report 13, Table 1](https://maritimestudies.ecu.edu/wp-content/pv-uploads/sites/92/2020/01/ecur013.pdf).",
    "Smith Moore was launched July 12, 1880 at Cleveland by George Presley & Son. The NPS comparison records two decks, three masts, one funnel and an original 130 ft arch below decks; two steel arches were added in 1888. No claim that the arches were external is made. [Marquette nomination, Section 8](https://npgallery.nps.gov/GetAsset/80d844db-1693-491c-8f88-f74b70f69154/).",
    "The Beck & Pauli lithograph shows three gaff sails, a short bowsprit, small forward pilothouse, aft funnel with two adjacent cowl ventilators and arched aft-house windows. [Alpena record 2903806](https://greatlakeships.org/2903806/data), [Commons lithograph](https://commons.wikimedia.org/wiki/File:Smith_Moore.jpg).",
    "The inventory lists US 115721 and 1, 191 gross tons. Smith Moore sank July 13, 1889 after collision with James Pickands in the East Channel; M.M. Drake took off the crew and the ship sank under tow. [3 DShipwrecks](https://3dshipwrecks.org/shipwreck-smith-moore/)."
  ],
  "configurationCaveat": "Circa 1880 exterior follows the Beck & Pauli lithograph. An original below-deck arch is documented; two later steel arches were added in 1888. The selected 223.4 ft register length conflicts with 260 ft tour accounts. Hidden hull, hatch layout, pigments and small fittings remain interpreted.",
  "builder": "George Presley & Son, Cleveland, 1880",
  "era": "Circa-1880 steam-and-sail ore freighter before the 1888 reinforcement"
}