{
  "reviewed": "2026-10-05",
  "title": "Conveyor Maven troughed conveyor atlas",
  "records": [
    {
      "id": "dune-express",
      "name": "Atlas Energy / Atlas Sands — Dune Express",
      "country": "United States",
      "conveyorType": "troughed_belt",
      "scope": "major_overland",
      "lengthMetres": 67592.448,
      "lengthBasis": "system: operator reports 42 miles; exact unit conversion does not imply survey precision",
      "material": "Frac sand",
      "reportedYear": null,
      "dateBasis": null,
      "evidenceTier": "A",
      "sourceIds": [
        "dune",
        "cdi",
        "atlas-technical",
        "atlas-archived-mapping"
      ],
      "registerNotes": [
        "Multiple conveyor flights. CDI lists 68.5 km; retain the operator's rounded 42-mile system description. Covered trough classification inferred from system photographs and conventional overland design.",
        "The four mapped polylines total approximately 67.394 km; this map measurement is separate from the operator’s rounded 42-mile system length. Short transfer gaps and sparse two-vertex flights are retained without inventing intermediate vertices."
      ],
      "status": "archived_routes",
      "site": {
        "latitude": 31.968413888888886,
        "longitude": -103.01096111111111,
        "name": "Atlas Kermit processing plant",
        "coordinateBasis": "Operator technical report: approximate plant coordinate (DMS converted to decimal degrees)",
        "sourceURL": "https://ir.atlas.energy/sec-filings/all-sec-filings/content/0001193125-23-020501/d292890dex991.htm"
      },
      "locationNotes": [
        "Four existing Conveyor Maven map paths cover flights 105CV001, 110CV002, 115CV003 and 120CV004, from the Kermit plant west toward the delivery area. They are approximate archived map geometry, not surveyed pulley locations."
      ],
      "currentOperatingStatus": "not separately verified",
      "sources": [
        {
          "id": "dune",
          "title": "Atlas Energy Solutions: Dune Express",
          "url": "https://www.atlas.energy/dune-express/",
          "kind": "primary_web",
          "retrieved": "2026-10-05"
        },
        {
          "id": "cdi",
          "title": "Conveyor Dynamics: Experience",
          "url": "https://cvdyn.com/experience/",
          "kind": "primary_web",
          "retrieved": "2026-10-05"
        },
        {
          "id": "atlas-technical",
          "title": "Atlas Kermit operation technical report",
          "url": "https://ir.atlas.energy/sec-filings/all-sec-filings/content/0001193125-23-020501/d292890dex991.htm",
          "locator": "Section 4: Description of the Property and Location",
          "kind": "primary_web",
          "retrieved": "2026-10-05"
        },
        {
          "id": "atlas-archived-mapping",
          "title": "Conveyor Maven — archived Atlas Sands map coordinates",
          "locator": "Four conveyor flights; approximate WGS84 map geometry",
          "kind": "project_archive"
        }
      ],
      "routes": [
        {
          "id": "105CV001",
          "recordId": "dune-express",
          "name": "Atlas Sands 105CV001",
          "measuredLengthMetres": 1459.131,
          "geometryBasis": "Existing Conveyor Maven app map coordinates; approximate, not surveyed",
          "sourceTitle": "Conveyor Maven archived Atlas Sands route mapping",
          "sourceSHA256": "75c4427e641652cd325b070d3ecb389f60c2870c0558ee0b73a1d1637f74cd88"
        },
        {
          "id": "110CV002",
          "recordId": "dune-express",
          "name": "Atlas Sands 110CV002",
          "measuredLengthMetres": 23985.617,
          "geometryBasis": "Existing Conveyor Maven app map coordinates; approximate, not surveyed",
          "sourceTitle": "Conveyor Maven archived Atlas Sands route mapping",
          "sourceSHA256": "75c4427e641652cd325b070d3ecb389f60c2870c0558ee0b73a1d1637f74cd88"
        },
        {
          "id": "115CV003",
          "recordId": "dune-express",
          "name": "Atlas Sands 115CV003",
          "measuredLengthMetres": 15667.15,
          "geometryBasis": "Existing Conveyor Maven app map coordinates; approximate, not surveyed",
          "sourceTitle": "Conveyor Maven archived Atlas Sands route mapping",
          "sourceSHA256": "75c4427e641652cd325b070d3ecb389f60c2870c0558ee0b73a1d1637f74cd88"
        },
        {
          "id": "120CV004",
          "recordId": "dune-express",
          "name": "Atlas Sands 120CV004",
          "measuredLengthMetres": 26282.219,
          "geometryBasis": "Existing Conveyor Maven app map coordinates; approximate, not surveyed",
          "sourceTitle": "Conveyor Maven archived Atlas Sands route mapping",
          "sourceSHA256": "75c4427e641652cd325b070d3ecb389f60c2870c0558ee0b73a1d1637f74cd88"
        }
      ],
      "region": "Kermit, Texas · Permian Basin",
      "mapImage": "images/atlas-sands-route.webp",
      "imageryNotes": "Apple MapKit satellite reference, retrieved 5 October 2026. Imagery capture date unknown. Cyan lines are approximate archived route geometry."
    },
    {
      "id": "impumelelo",
      "name": "Impumelelo CV-2301",
      "country": "South Africa",
      "conveyorType": "troughed_belt",
      "scope": "major_overland",
      "lengthMetres": 26800,
      "lengthBasis": "single conveyor: tail to head",
      "material": "Coal",
      "reportedYear": 2015,
      "dateBasis": "commissioning",
      "evidenceTier": "A",
      "sourceIds": [
        "impumelelo",
        "location-impumelelo"
      ],
      "registerNotes": [
        "Supplier prose says 2,400 t/h; its asset table says 1,920 t/h. Capacity conflict retained; no value selected."
      ],
      "status": "candidate_facility",
      "site": {
        "latitude": -26.581453,
        "longitude": 29.145008,
        "name": "Impumelelo mine",
        "coordinateBasis": "Global Energy Monitor mapped facility coordinate; candidate host-site reference",
        "sourceURL": "https://www.gem.wiki/Impumelelo_Coal_Mine"
      },
      "locationNotes": [
        "GEM mapped facility location and project identity agree. This location lead remains tentative until the exact asset is matched to a source plan; no pulley endpoint is implied."
      ],
      "currentOperatingStatus": "not separately verified",
      "sources": [
        {
          "id": "impumelelo",
          "title": "Conveyor Dynamics: Impumelelo",
          "url": "https://photo.cvdyn.com/experience/impumelelo-project/",
          "kind": "primary_web",
          "retrieved": "2026-10-05"
        },
        {
          "id": "location-impumelelo",
          "title": "GEM mapped facility: Impumelelo mine",
          "url": "https://www.gem.wiki/Impumelelo_Coal_Mine",
          "locator": "Location table; used only for a candidate site coordinate",
          "kind": "location_catalog",
          "retrieved": "2026-10-05"
        }
      ],
      "routes": [],
      "mapImage": "images/impumelelo.webp",
      "imageryNotes": "Apple MapKit satellite reference, retrieved 5 October 2026. Imagery capture date unknown. Orange marker is a facility reference; the belt remains untraced."
    },
    {
      "id": "curragh",
      "name": "Curragh North overland",
      "country": "Australia",
      "conveyorType": "troughed_belt",
      "scope": "major_overland",
      "lengthMetres": 20000,
      "lengthBasis": "single conveyor: tail to head",
      "material": "Coal",
      "reportedYear": 2007,
      "dateBasis": "construction",
      "evidenceTier": "A",
      "sourceIds": [
        "curragh",
        "library-6"
      ],
      "registerNotes": [],
      "status": "facility_located",
      "site": {
        "latitude": -23.4925025,
        "longitude": 148.8480949,
        "name": "Coronado Curragh Mine",
        "coordinateBasis": "Reviewed Apple MapKit facility search",
        "sourceURL": "https://maps.apple.com/?q=Curragh%20coal%20mine%20Blackwater%20Queensland"
      },
      "locationNotes": [
        "Named facility and regional location agree with the project source. Pin identifies the host facility; the individual conveyor remains untraced."
      ],
      "currentOperatingStatus": "not separately verified",
      "sources": [
        {
          "id": "curragh",
          "title": "Conveyor Dynamics: Curragh",
          "url": "https://cvdyn.com/experience/curragh-project/",
          "kind": "primary_web",
          "retrieved": "2026-10-05"
        },
        {
          "id": "library-6",
          "title": "Longer_Overland_Conveyors_with_Distributed_Power.pdf",
          "locator": "PDF page 1",
          "kind": "library_document"
        }
      ],
      "routes": [],
      "mapImage": "images/curragh.webp",
      "imageryNotes": "Apple MapKit satellite reference, retrieved 5 October 2026. Imagery capture date unknown. Orange marker is a facility reference; the belt remains untraced."
    },
    {
      "id": "zisco",
      "name": "ZISCO / Redcliff overland",
      "country": "Zimbabwe",
      "conveyorType": "troughed_belt",
      "scope": "major_overland",
      "lengthMetres": 15600,
      "lengthBasis": "single conveyor: tail to head",
      "material": "Iron ore",
      "reportedYear": null,
      "dateBasis": null,
      "evidenceTier": "B",
      "sourceIds": [
        "zisco",
        "library-6"
      ],
      "registerNotes": [
        "CDI project sheet says construction 1997; its history and the 2005 paper say 1996. Year unresolved."
      ],
      "status": "unresolved",
      "site": null,
      "locationNotes": [
        "No facility search result has yet been accepted. Unrelated, office-only and town-centre results are rejected; no inferred asset pin."
      ],
      "currentOperatingStatus": "not separately verified",
      "sources": [
        {
          "id": "zisco",
          "title": "Conveyor Dynamics: Zisco",
          "url": "https://cvdyn.com/experience/zisco-project/",
          "kind": "primary_web",
          "retrieved": "2026-10-05"
        },
        {
          "id": "library-6",
          "title": "Longer_Overland_Conveyors_with_Distributed_Power.pdf",
          "locator": "PDF page 1",
          "kind": "library_document"
        }
      ],
      "routes": [],
      "imageryNotes": "Apple MapKit satellite reference, retrieved 5 October 2026. Imagery capture date unknown. Orange marker is a facility reference; the belt remains untraced."
    },
    {
      "id": "los-pelambres",
      "name": "Los Pelambres downhill system",
      "country": "Chile",
      "conveyorType": "troughed_belt",
      "scope": "major_overland",
      "lengthMetres": 12822.2,
      "lengthBasis": "system: sum of 5,968.1 + 5,337.5 + 1,516.6 m asset lengths",
      "material": "Copper ore",
      "reportedYear": null,
      "dateBasis": null,
      "evidenceTier": "A",
      "sourceIds": [
        "pelambres"
      ],
      "registerNotes": [
        "Three conveyor flights, largely in tunnels. Headline 12.7 km differs from the sum of the current asset table. Upgrade schedule includes 2000, 2008 and 2022; no single commissioning year selected."
      ],
      "status": "facility_located",
      "site": {
        "latitude": -31.7075428,
        "longitude": -70.4935627,
        "name": "Minera Los Pelambres",
        "coordinateBasis": "Reviewed Apple MapKit facility search",
        "sourceURL": "https://maps.apple.com/?q=Minera%20Los%20Pelambres"
      },
      "locationNotes": [
        "Named facility and regional location agree with the project source. Pin identifies the host facility; the individual conveyor remains untraced."
      ],
      "currentOperatingStatus": "not separately verified",
      "sources": [
        {
          "id": "pelambres",
          "title": "Conveyor Dynamics: Los Pelambres",
          "url": "https://cvdyn.com/experience/los-pelambres-project/",
          "kind": "primary_web",
          "retrieved": "2026-10-05"
        }
      ],
      "routes": [],
      "mapImage": "images/los-pelambres.webp",
      "imageryNotes": "Apple MapKit satellite reference, retrieved 5 October 2026. Imagery capture date unknown. Orange marker is a facility reference; the belt remains untraced."
    },
    {
      "id": "yadong-2009",
      "name": "Sichuan Yadong - quarry to intermediate silo",
      "country": "China",
      "conveyorType": "troughed_belt",
      "scope": "major_overland",
      "lengthMetres": 12500,
      "lengthBasis": "single overland conveyor: rounded case-study value",
      "material": "Limestone",
      "reportedYear": 2009,
      "dateBasis": "commissioning",
      "evidenceTier": "A",
      "sourceIds": [
        "yadong",
        "beumer",
        "location-yadong-2009"
      ],
      "registerNotes": [
        "Brochure gives 12,560 m; other supplier accounts give 12.7 km. Same first phase, not additional installations."
      ],
      "status": "candidate_facility",
      "site": {
        "latitude": 30.976399,
        "longitude": 103.908381,
        "name": "Sichuan Yadong cement plant",
        "coordinateBasis": "Global Energy Monitor mapped facility coordinate; candidate host-site reference",
        "sourceURL": "https://www.gem.wiki/Sichuan_Ya_Dong_Cement_Co_Ltd_Cement_Plant"
      },
      "locationNotes": [
        "GEM mapped facility location and project identity agree. This location lead remains tentative until the exact asset is matched to a source plan; no pulley endpoint is implied."
      ],
      "currentOperatingStatus": "not separately verified",
      "sources": [
        {
          "id": "yadong",
          "title": "BEUMER: Asia Cement Group / Sichuan Yadong",
          "url": "https://www.beumergroup.com/de/referenz/zement/muldengurtfoerderer-asia-cement-group/",
          "kind": "primary_web",
          "retrieved": "2026-10-05"
        },
        {
          "id": "beumer",
          "title": "BEUMER Belt Conveyors",
          "url": "https://www.beumergroup.com/app/uploads/2019/03/BEUMER-Belt-Conveyors.pdf",
          "locator": "PDF page 7: troughed reference columns; visually checked",
          "kind": "primary_web",
          "retrieved": "2026-10-05"
        },
        {
          "id": "location-yadong-2009",
          "title": "GEM mapped facility: Sichuan Yadong cement plant",
          "url": "https://www.gem.wiki/Sichuan_Ya_Dong_Cement_Co_Ltd_Cement_Plant",
          "locator": "Location table; used only for a candidate site coordinate",
          "kind": "location_catalog",
          "retrieved": "2026-10-05"
        }
      ],
      "routes": [],
      "mapImage": "images/yadong-2009.webp",
      "imageryNotes": "Apple MapKit satellite reference, retrieved 5 October 2026. Imagery capture date unknown. Orange marker is a facility reference; the belt remains untraced."
    },
    {
      "id": "yadong-2016",
      "name": "Sichuan Yadong - extension to cement plant",
      "country": "China",
      "conveyorType": "troughed_belt",
      "scope": "major_overland",
      "lengthMetres": 13700,
      "lengthBasis": "system: two additional conveyors combined",
      "material": "Limestone",
      "reportedYear": 2016,
      "dateBasis": "installation",
      "evidenceTier": "A",
      "sourceIds": [
        "yadong",
        "location-yadong-2009"
      ],
      "registerNotes": [
        "Separate extension phase; the approximately 26 km headline combines it with the first phase."
      ],
      "status": "candidate_facility",
      "site": {
        "latitude": 30.976399,
        "longitude": 103.908381,
        "name": "Sichuan Yadong cement plant",
        "coordinateBasis": "Global Energy Monitor mapped facility coordinate; candidate host-site reference",
        "sourceURL": "https://www.gem.wiki/Sichuan_Ya_Dong_Cement_Co_Ltd_Cement_Plant"
      },
      "locationNotes": [
        "Shared candidate cement-plant reference for the extension phase. No separate endpoints are inferred for its two conveyors."
      ],
      "currentOperatingStatus": "not separately verified",
      "sources": [
        {
          "id": "yadong",
          "title": "BEUMER: Asia Cement Group / Sichuan Yadong",
          "url": "https://www.beumergroup.com/de/referenz/zement/muldengurtfoerderer-asia-cement-group/",
          "kind": "primary_web",
          "retrieved": "2026-10-05"
        },
        {
          "id": "location-yadong-2009",
          "title": "GEM mapped facility: Sichuan Yadong cement plant",
          "url": "https://www.gem.wiki/Sichuan_Ya_Dong_Cement_Co_Ltd_Cement_Plant",
          "locator": "Location table; used only for a candidate site coordinate",
          "kind": "location_catalog",
          "retrieved": "2026-10-05"
        }
      ],
      "routes": [],
      "mapImage": "images/yadong-2009.webp",
      "imageryNotes": "Apple MapKit satellite reference, retrieved 5 October 2026. Imagery capture date unknown. Orange marker is a facility reference; the belt remains untraced."
    },
    {
      "id": "marker-harburg",
      "name": "Märker Zement Harburg",
      "country": "Germany",
      "conveyorType": "troughed_belt",
      "scope": "major_overland",
      "lengthMetres": 1120,
      "lengthBasis": "supplier reference length; endpoint basis unspecified",
      "material": null,
      "reportedYear": null,
      "dateBasis": null,
      "evidenceTier": "B",
      "sourceIds": [
        "beumer"
      ],
      "registerNotes": [
        "Supplier reference establishes a named troughed project; commissioning and present operating status are not stated."
      ],
      "status": "facility_located",
      "site": {
        "latitude": 48.7788854,
        "longitude": 10.6964107,
        "name": "Verladung Zement Sackware",
        "coordinateBasis": "Reviewed OSM way feature reference",
        "sourceURL": "https://www.openstreetmap.org/way/106461249"
      },
      "locationNotes": [
        "Named facility and regional location agree with the project source. Pin identifies the host facility; the individual conveyor remains untraced."
      ],
      "currentOperatingStatus": "not separately verified",
      "sources": [
        {
          "id": "beumer",
          "title": "BEUMER Belt Conveyors",
          "url": "https://www.beumergroup.com/app/uploads/2019/03/BEUMER-Belt-Conveyors.pdf",
          "locator": "PDF page 7: troughed reference columns; visually checked",
          "kind": "primary_web",
          "retrieved": "2026-10-05"
        }
      ],
      "routes": [],
      "mapImage": "images/marker-harburg.webp",
      "imageryNotes": "Apple MapKit satellite reference, retrieved 5 October 2026. Imagery capture date unknown. Orange marker is a facility reference; the belt remains untraced."
    },
    {
      "id": "rohrbach-dotternhausen",
      "name": "Rohrbach Zement / Dotternhausen",
      "country": "Germany",
      "conveyorType": "troughed_belt",
      "scope": "major_overland",
      "lengthMetres": 2360,
      "lengthBasis": "supplier reference length; endpoint basis unspecified",
      "material": null,
      "reportedYear": null,
      "dateBasis": null,
      "evidenceTier": "B",
      "sourceIds": [
        "beumer"
      ],
      "registerNotes": [
        "Supplier reference establishes a named troughed project; commissioning and present operating status are not stated."
      ],
      "status": "candidate_facility",
      "site": {
        "latitude": 48.2265515,
        "longitude": 8.7782244,
        "name": "Holcim Zementwerk Dotternhausen",
        "coordinateBasis": "Reviewed OSM way feature reference",
        "sourceURL": "https://www.openstreetmap.org/way/1308448848"
      },
      "locationNotes": [
        "Modern Holcim cement works at the brochure town is a plausible successor facility to Rohrbach Zement; the specific historical asset is not independently matched."
      ],
      "currentOperatingStatus": "not separately verified",
      "sources": [
        {
          "id": "beumer",
          "title": "BEUMER Belt Conveyors",
          "url": "https://www.beumergroup.com/app/uploads/2019/03/BEUMER-Belt-Conveyors.pdf",
          "locator": "PDF page 7: troughed reference columns; visually checked",
          "kind": "primary_web",
          "retrieved": "2026-10-05"
        }
      ],
      "routes": [],
      "mapImage": "images/rohrbach-dotternhausen.webp",
      "imageryNotes": "Apple MapKit satellite reference, retrieved 5 October 2026. Imagery capture date unknown. Orange marker is a facility reference; the belt remains untraced."
    },
    {
      "id": "schafer-diez",
      "name": "Schäfer Kalk / Diez",
      "country": "Germany",
      "conveyorType": "troughed_belt",
      "scope": "major_overland",
      "lengthMetres": 1550,
      "lengthBasis": "supplier reference length; endpoint basis unspecified",
      "material": null,
      "reportedYear": null,
      "dateBasis": null,
      "evidenceTier": "B",
      "sourceIds": [
        "beumer"
      ],
      "registerNotes": [
        "Supplier reference establishes a named troughed project; commissioning and present operating status are not stated."
      ],
      "status": "candidate_facility",
      "site": {
        "latitude": 50.315472,
        "longitude": 8.066284,
        "name": "Schaefer Kalk",
        "coordinateBasis": "Candidate Apple MapKit facility match at Hahnstätten, near Diez",
        "sourceURL": "https://maps.apple.com/?q=Schaefer%20Kalk%20Hahnstätten"
      },
      "locationNotes": [
        "A SCHAEFER KALK plant and quarry at Hahnstätten is a possible match to the customer listed as Diez. This is a competing facility lead; the 1,550 m historical reference is not assigned to this site conclusively."
      ],
      "currentOperatingStatus": "not separately verified",
      "sources": [
        {
          "id": "beumer",
          "title": "BEUMER Belt Conveyors",
          "url": "https://www.beumergroup.com/app/uploads/2019/03/BEUMER-Belt-Conveyors.pdf",
          "locator": "PDF page 7: troughed reference columns; visually checked",
          "kind": "primary_web",
          "retrieved": "2026-10-05"
        }
      ],
      "routes": [],
      "mapImage": "images/schafer-diez.webp",
      "imageryNotes": "Apple MapKit satellite reference, retrieved 5 October 2026. Imagery capture date unknown. Orange marker is a facility reference; the belt remains untraced."
    },
    {
      "id": "vigier-trough",
      "name": "Ciments Vigier / Reuchenette - troughed belt",
      "country": "Switzerland",
      "conveyorType": "troughed_belt",
      "scope": "major_overland",
      "lengthMetres": 2397,
      "lengthBasis": "supplier reference length; endpoint basis unspecified",
      "material": null,
      "reportedYear": null,
      "dateBasis": null,
      "evidenceTier": "B",
      "sourceIds": [
        "beumer"
      ],
      "registerNotes": [
        "Supplier reference establishes a named troughed project; commissioning and present operating status are not stated."
      ],
      "status": "facility_located",
      "site": {
        "latitude": 47.1811229,
        "longitude": 7.2466046,
        "name": "Ciments Vigier SA",
        "coordinateBasis": "Reviewed Apple MapKit facility search",
        "sourceURL": "https://maps.apple.com/?q=Ciments%20Vigier%20Péry%20Reuchenette%20Switzerland"
      },
      "locationNotes": [
        "Named facility and regional location agree with the project source. Pin identifies the host facility; the individual conveyor remains untraced."
      ],
      "currentOperatingStatus": "not separately verified",
      "sources": [
        {
          "id": "beumer",
          "title": "BEUMER Belt Conveyors",
          "url": "https://www.beumergroup.com/app/uploads/2019/03/BEUMER-Belt-Conveyors.pdf",
          "locator": "PDF page 7: troughed reference columns; visually checked",
          "kind": "primary_web",
          "retrieved": "2026-10-05"
        }
      ],
      "routes": [],
      "mapImage": "images/vigier-trough.webp",
      "imageryNotes": "Apple MapKit satellite reference, retrieved 5 October 2026. Imagery capture date unknown. Orange marker is a facility reference; the belt remains untraced."
    },
    {
      "id": "holcim-untervaz",
      "name": "Holcim Untervaz",
      "country": "Switzerland",
      "conveyorType": "troughed_belt",
      "scope": "major_overland",
      "lengthMetres": 1300,
      "lengthBasis": "supplier reference length; endpoint basis unspecified",
      "material": null,
      "reportedYear": null,
      "dateBasis": null,
      "evidenceTier": "B",
      "sourceIds": [
        "beumer"
      ],
      "registerNotes": [
        "Supplier reference establishes a named troughed project; commissioning and present operating status are not stated."
      ],
      "status": "facility_located",
      "site": {
        "latitude": 46.91879066984733,
        "longitude": 9.551238274029956,
        "name": "Holcim",
        "coordinateBasis": "Reviewed Apple MapKit facility search",
        "sourceURL": "https://maps.apple.com/?q=Holcim%20Zementwerk%20Untervaz%20Switzerland"
      },
      "locationNotes": [
        "Named facility and regional location agree with the project source. Pin identifies the host facility; the individual conveyor remains untraced."
      ],
      "currentOperatingStatus": "not separately verified",
      "sources": [
        {
          "id": "beumer",
          "title": "BEUMER Belt Conveyors",
          "url": "https://www.beumergroup.com/app/uploads/2019/03/BEUMER-Belt-Conveyors.pdf",
          "locator": "PDF page 7: troughed reference columns; visually checked",
          "kind": "primary_web",
          "retrieved": "2026-10-05"
        }
      ],
      "routes": [],
      "mapImage": "images/holcim-untervaz.webp",
      "imageryNotes": "Apple MapKit satellite reference, retrieved 5 October 2026. Imagery capture date unknown. Orange marker is a facility reference; the belt remains untraced."
    },
    {
      "id": "tudela-la-robla",
      "name": "Tudela Veguin / La Robla",
      "country": "Spain",
      "conveyorType": "troughed_belt",
      "scope": "major_overland",
      "lengthMetres": 4000,
      "lengthBasis": "supplier reference length; endpoint basis unspecified",
      "material": null,
      "reportedYear": null,
      "dateBasis": null,
      "evidenceTier": "B",
      "sourceIds": [
        "beumer"
      ],
      "registerNotes": [
        "Supplier reference establishes a named troughed project; commissioning and present operating status are not stated."
      ],
      "status": "facility_located",
      "site": {
        "latitude": 42.7984257,
        "longitude": -5.6214507,
        "name": "Cementos Tudela Veguín",
        "coordinateBasis": "Reviewed OSM way feature reference",
        "sourceURL": "https://www.openstreetmap.org/way/447727774"
      },
      "locationNotes": [
        "Named facility and regional location agree with the project source. Pin identifies the host facility; the individual conveyor remains untraced."
      ],
      "currentOperatingStatus": "not separately verified",
      "sources": [
        {
          "id": "beumer",
          "title": "BEUMER Belt Conveyors",
          "url": "https://www.beumergroup.com/app/uploads/2019/03/BEUMER-Belt-Conveyors.pdf",
          "locator": "PDF page 7: troughed reference columns; visually checked",
          "kind": "primary_web",
          "retrieved": "2026-10-05"
        }
      ],
      "routes": [],
      "mapImage": "images/tudela-la-robla.webp",
      "imageryNotes": "Apple MapKit satellite reference, retrieved 5 October 2026. Imagery capture date unknown. Orange marker is a facility reference; the belt remains untraced."
    },
    {
      "id": "halla-cement",
      "name": "Halla Cement - 4,196 m reference",
      "country": "South Korea",
      "conveyorType": "troughed_belt",
      "scope": "major_overland",
      "lengthMetres": 4196,
      "lengthBasis": "supplier reference length; endpoint basis unspecified",
      "material": null,
      "reportedYear": null,
      "dateBasis": null,
      "evidenceTier": "B",
      "sourceIds": [
        "beumer",
        "location-halla-cement"
      ],
      "registerNotes": [
        "Supplier reference establishes a named troughed project; commissioning and present operating status are not stated.",
        "Okgye main plant is a candidate host. Halla also has port and grinding facilities, and the brochure does not explicitly identify which site owns this belt."
      ],
      "status": "candidate_facility",
      "site": {
        "latitude": 37.595437,
        "longitude": 129.012789,
        "name": "Halla Okgye main plant",
        "coordinateBasis": "Global Energy Monitor mapped facility coordinate; candidate host-site reference",
        "sourceURL": "https://www.gem.wiki/Halla_Cement_Corp_Gangneung_Okgye_Main_Cement_Plant"
      },
      "locationNotes": [
        "GEM mapped facility location and project identity agree. This location lead remains tentative until the exact asset is matched to a source plan; no pulley endpoint is implied."
      ],
      "currentOperatingStatus": "not separately verified",
      "sources": [
        {
          "id": "beumer",
          "title": "BEUMER Belt Conveyors",
          "url": "https://www.beumergroup.com/app/uploads/2019/03/BEUMER-Belt-Conveyors.pdf",
          "locator": "PDF page 7: troughed reference columns; visually checked",
          "kind": "primary_web",
          "retrieved": "2026-10-05"
        },
        {
          "id": "location-halla-cement",
          "title": "GEM mapped facility: Halla Okgye main plant",
          "url": "https://www.gem.wiki/Halla_Cement_Corp_Gangneung_Okgye_Main_Cement_Plant",
          "locator": "Location table; used only for a candidate site coordinate",
          "kind": "location_catalog",
          "retrieved": "2026-10-05"
        }
      ],
      "routes": [],
      "mapImage": "images/halla-cement.webp",
      "imageryNotes": "Apple MapKit satellite reference, retrieved 5 October 2026. Imagery capture date unknown. Orange marker is a facility reference; the belt remains untraced."
    },
    {
      "id": "binh-phuoc",
      "name": "Binh Phuoc Cement",
      "country": "Vietnam",
      "conveyorType": "troughed_belt",
      "scope": "major_overland",
      "lengthMetres": 9950,
      "lengthBasis": "supplier reference length; endpoint basis unspecified",
      "material": null,
      "reportedYear": null,
      "dateBasis": null,
      "evidenceTier": "B",
      "sourceIds": [
        "beumer",
        "location-binh-phuoc"
      ],
      "registerNotes": [
        "Supplier reference establishes a named troughed project; commissioning and present operating status are not stated."
      ],
      "status": "candidate_facility",
      "site": {
        "latitude": 11.713846,
        "longitude": 106.549508,
        "name": "VICEM Ha Tien / Binh Phuoc cement plant",
        "coordinateBasis": "GEM mapped plant coordinate; tentative match to a province-level supplier reference",
        "sourceURL": "https://www.gem.wiki/Vicem_Ha_Tien_Cement_JSC_B%C3%ACnh_Long_Cement_Plant"
      },
      "locationNotes": [
        "VICEM Ha Tien's Binh Phuoc integrated plant is a plausible host for the brochure project. Other plants use the same place name; the 9,950 m belt is not conclusively assigned to this facility."
      ],
      "currentOperatingStatus": "not separately verified",
      "sources": [
        {
          "id": "beumer",
          "title": "BEUMER Belt Conveyors",
          "url": "https://www.beumergroup.com/app/uploads/2019/03/BEUMER-Belt-Conveyors.pdf",
          "locator": "PDF page 7: troughed reference columns; visually checked",
          "kind": "primary_web",
          "retrieved": "2026-10-05"
        },
        {
          "id": "location-binh-phuoc",
          "title": "GEM mapped Binh Phuoc / VICEM Ha Tien plant",
          "url": "https://www.gem.wiki/Vicem_Ha_Tien_Cement_JSC_B%C3%ACnh_Long_Cement_Plant",
          "locator": "Location table; competing site identities retained",
          "kind": "location_catalog",
          "retrieved": "2026-10-05"
        }
      ],
      "routes": [],
      "mapImage": "images/binh-phuoc.webp",
      "imageryNotes": "Apple MapKit satellite reference, retrieved 5 October 2026. Imagery capture date unknown. Orange marker is a facility reference; the belt remains untraced."
    },
    {
      "id": "national-ragland",
      "name": "National Cement / Ragland",
      "country": "United States",
      "conveyorType": "troughed_belt",
      "scope": "major_overland",
      "lengthMetres": 3378,
      "lengthBasis": "supplier reference length; endpoint basis unspecified",
      "material": null,
      "reportedYear": null,
      "dateBasis": null,
      "evidenceTier": "B",
      "sourceIds": [
        "beumer"
      ],
      "registerNotes": [
        "Supplier reference establishes a named troughed project; commissioning and present operating status are not stated."
      ],
      "status": "facility_located",
      "site": {
        "latitude": 33.7357261,
        "longitude": -86.1558393,
        "name": "National Cement",
        "coordinateBasis": "Reviewed Apple MapKit facility search",
        "sourceURL": "https://maps.apple.com/?q=National%20Cement%20Ragland%20Alabama"
      },
      "locationNotes": [
        "Named facility and regional location agree with the project source. Pin identifies the host facility; the individual conveyor remains untraced."
      ],
      "currentOperatingStatus": "not separately verified",
      "sources": [
        {
          "id": "beumer",
          "title": "BEUMER Belt Conveyors",
          "url": "https://www.beumergroup.com/app/uploads/2019/03/BEUMER-Belt-Conveyors.pdf",
          "locator": "PDF page 7: troughed reference columns; visually checked",
          "kind": "primary_web",
          "retrieved": "2026-10-05"
        }
      ],
      "routes": [],
      "mapImage": "images/national-ragland.webp",
      "imageryNotes": "Apple MapKit satellite reference, retrieved 5 October 2026. Imagery capture date unknown. Orange marker is a facility reference; the belt remains untraced."
    },
    {
      "id": "alcoa-rockdale",
      "name": "ALCOA Rockdale single flight",
      "country": "United States",
      "conveyorType": "troughed_belt",
      "scope": "major_overland",
      "lengthMetres": 19300,
      "lengthBasis": "single conveyor",
      "material": "Lignite",
      "reportedYear": 2005,
      "dateBasis": "commissioning",
      "evidenceTier": "A",
      "sourceIds": [
        "occ"
      ],
      "registerNotes": [],
      "status": "candidate_facility",
      "site": {
        "latitude": 30.565626,
        "longitude": -97.0636224,
        "name": "Sandow Power Plant",
        "coordinateBasis": "Reviewed OSM way feature reference",
        "sourceURL": "https://www.openstreetmap.org/way/509640575"
      },
      "locationNotes": [
        "Sandow power and former ALCOA complex is a plausible host. Exact historical belt endpoints remain unresolved; current operation not checked."
      ],
      "currentOperatingStatus": "not separately verified",
      "sources": [
        {
          "id": "occ",
          "title": "Overland Conveyor Company: Sample Projects",
          "url": "https://www.overlandconveyor.com/sample-projects",
          "locator": "Conveyor Design section; study-only references excluded",
          "kind": "primary_web",
          "retrieved": "2026-10-05"
        }
      ],
      "routes": [],
      "mapImage": "images/alcoa-rockdale.webp",
      "imageryNotes": "Apple MapKit satellite reference, retrieved 5 October 2026. Imagery capture date unknown. Orange marker is a facility reference; the belt remains untraced."
    },
    {
      "id": "lehigh-union-bridge",
      "name": "Lehigh / Union Bridge - New Windsor quarry link",
      "country": "United States",
      "conveyorType": "troughed_belt",
      "scope": "major_overland",
      "lengthMetres": 7000,
      "lengthBasis": "single overland conveyor: rounded",
      "material": "Limestone",
      "reportedYear": 2016,
      "dateBasis": "commissioning",
      "evidenceTier": "A",
      "sourceIds": [
        "occ",
        "union-civil"
      ],
      "registerNotes": [],
      "status": "facility_located",
      "site": {
        "latitude": 39.5614209,
        "longitude": -77.1710267,
        "name": "675 Quaker Hill Rd",
        "coordinateBasis": "Published plant address located with Apple MapKit",
        "sourceURL": "https://clsi-civileng.com/2016/05/03/lehigh-hanson-conveyor/"
      },
      "locationNotes": [
        "Published plant address locates the Union Bridge destination. New Windsor quarry and the full intervening partly buried corridor remain untraced."
      ],
      "currentOperatingStatus": "not separately verified",
      "sources": [
        {
          "id": "occ",
          "title": "Overland Conveyor Company: Sample Projects",
          "url": "https://www.overlandconveyor.com/sample-projects",
          "locator": "Conveyor Design section; study-only references excluded",
          "kind": "primary_web",
          "retrieved": "2026-10-05"
        },
        {
          "id": "union-civil",
          "title": "CLSI: Lehigh Hanson conveyor",
          "url": "https://clsi-civileng.com/2016/05/03/lehigh-hanson-conveyor/",
          "kind": "primary_web",
          "retrieved": "2026-10-05"
        }
      ],
      "routes": [],
      "mapImage": "images/lehigh-union-bridge.webp",
      "imageryNotes": "Apple MapKit satellite reference, retrieved 5 October 2026. Imagery capture date unknown. Orange marker is a facility reference; the belt remains untraced."
    },
    {
      "id": "cortez-hills",
      "name": "Cortez Hills overland centerpiece",
      "country": "United States",
      "conveyorType": "troughed_belt",
      "scope": "major_overland",
      "lengthMetres": 11600,
      "lengthBasis": "single conveyor; larger system is over 14.5 km",
      "material": "Gold ore",
      "reportedYear": 2009,
      "dateBasis": "commissioning",
      "evidenceTier": "A",
      "sourceIds": [
        "occ"
      ],
      "registerNotes": [],
      "status": "candidate_facility",
      "site": {
        "latitude": 40.1499201,
        "longitude": -116.5928606,
        "name": "Cortez Mine",
        "coordinateBasis": "Reviewed OSM node feature reference",
        "sourceURL": "https://www.openstreetmap.org/node/369152822"
      },
      "locationNotes": [
        "Named Cortez Mine industrial area in Nevada is located, but the Hills conveyor within the wider mining complex is not yet matched."
      ],
      "currentOperatingStatus": "not separately verified",
      "sources": [
        {
          "id": "occ",
          "title": "Overland Conveyor Company: Sample Projects",
          "url": "https://www.overlandconveyor.com/sample-projects",
          "locator": "Conveyor Design section; study-only references excluded",
          "kind": "primary_web",
          "retrieved": "2026-10-05"
        }
      ],
      "routes": [],
      "mapImage": "images/cortez-hills.webp",
      "imageryNotes": "Apple MapKit satellite reference, retrieved 5 October 2026. Imagery capture date unknown. Orange marker is a facility reference; the belt remains untraced."
    },
    {
      "id": "cadman",
      "name": "Cadman Washington downhill",
      "country": "United States",
      "conveyorType": "troughed_belt",
      "scope": "major_overland",
      "lengthMetres": 2000,
      "lengthBasis": "single conveyor: rounded",
      "material": "Limestone (supplier description)",
      "reportedYear": 2006,
      "dateBasis": "commissioning",
      "evidenceTier": "A",
      "sourceIds": [
        "occ"
      ],
      "registerNotes": [
        "Exact quarry identity needs confirmation; a Cadman business pin alone is a tentative match."
      ],
      "status": "unresolved",
      "site": null,
      "locationNotes": [
        "No facility search result has yet been accepted. Unrelated, office-only and town-centre results are rejected; no inferred asset pin."
      ],
      "currentOperatingStatus": "not separately verified",
      "sources": [
        {
          "id": "occ",
          "title": "Overland Conveyor Company: Sample Projects",
          "url": "https://www.overlandconveyor.com/sample-projects",
          "locator": "Conveyor Design section; study-only references excluded",
          "kind": "primary_web",
          "retrieved": "2026-10-05"
        }
      ],
      "routes": [],
      "imageryNotes": "Apple MapKit satellite reference, retrieved 5 October 2026. Imagery capture date unknown. Orange marker is a facility reference; the belt remains untraced."
    },
    {
      "id": "toromocho",
      "name": "Toromocho mine to processing plant",
      "country": "Peru",
      "conveyorType": "troughed_belt",
      "scope": "major_overland",
      "lengthMetres": 10000,
      "lengthBasis": "project conveyor length: rounded",
      "material": "Copper ore",
      "reportedYear": 2013,
      "dateBasis": "commissioning",
      "evidenceTier": "A",
      "sourceIds": [
        "occ"
      ],
      "registerNotes": [],
      "status": "candidate_facility",
      "site": {
        "latitude": -11.6197,
        "longitude": -76.1407,
        "name": "Toromocho mine",
        "coordinateBasis": "Wikidata mine coordinate; candidate facility reference pending source-plan match",
        "sourceURL": "https://www.wikidata.org/wiki/Q16965008"
      },
      "locationNotes": [
        "Named mine coordinate agrees with the source region and mine identity. Exact historical conveyor within the mine complex remains untraced; coordinate is a location lead."
      ],
      "currentOperatingStatus": "not separately verified",
      "sources": [
        {
          "id": "occ",
          "title": "Overland Conveyor Company: Sample Projects",
          "url": "https://www.overlandconveyor.com/sample-projects",
          "locator": "Conveyor Design section; study-only references excluded",
          "kind": "primary_web",
          "retrieved": "2026-10-05"
        }
      ],
      "routes": [],
      "mapImage": "images/toromocho.webp",
      "imageryNotes": "Apple MapKit satellite reference, retrieved 5 October 2026. Imagery capture date unknown. Orange marker is a facility reference; the belt remains untraced."
    },
    {
      "id": "channar",
      "name": "Channar CV-554 / CV-555",
      "country": "Australia",
      "conveyorType": "troughed_belt",
      "scope": "major_overland",
      "lengthMetres": 20700,
      "lengthBasis": "system: two flights, 10.6 km and 10.1 km",
      "material": "Iron ore",
      "reportedYear": null,
      "dateBasis": null,
      "evidenceTier": "B",
      "sourceIds": [
        "channar",
        "library-6"
      ],
      "registerNotes": [
        "CDI prose says Q4 1989 commissioning while its table says construction 1998. Dates conflict; no single year selected."
      ],
      "status": "candidate_facility",
      "site": {
        "latitude": -23.3133,
        "longitude": 117.785,
        "name": "Channar mine",
        "coordinateBasis": "Wikidata mine coordinate; candidate facility reference pending source-plan match",
        "sourceURL": "https://www.wikidata.org/wiki/Q291166"
      },
      "locationNotes": [
        "Published mine coordinate agrees with the source region and mine identity. The imagery at this point does not independently isolate the historical conveyor works; this remains a location lead, with no terminal or route inferred."
      ],
      "currentOperatingStatus": "not separately verified",
      "sources": [
        {
          "id": "channar",
          "title": "Conveyor Dynamics: Channar",
          "url": "https://www.cvdyn.com/experience/channar-project/",
          "kind": "primary_web",
          "retrieved": "2026-10-05"
        },
        {
          "id": "library-6",
          "title": "Longer_Overland_Conveyors_with_Distributed_Power.pdf",
          "locator": "PDF page 1",
          "kind": "library_document"
        }
      ],
      "routes": [],
      "mapImage": "images/channar.webp",
      "imageryNotes": "Apple MapKit satellite reference, retrieved 5 October 2026. Imagery capture date unknown. Orange marker is a facility reference; the belt remains untraced."
    },
    {
      "id": "el-abra",
      "name": "El Abra long flight",
      "country": "Chile",
      "conveyorType": "troughed_belt",
      "scope": "library_case",
      "lengthMetres": 14000,
      "lengthBasis": "single conveyor: rounded historical report",
      "material": "Copper ore",
      "reportedYear": 1997,
      "dateBasis": "installation_reported",
      "evidenceTier": "C",
      "sourceIds": [
        "library-6"
      ],
      "registerNotes": [],
      "status": "candidate_facility",
      "site": {
        "latitude": -21.933333333333,
        "longitude": -68.833333333333,
        "name": "El Abra mine",
        "coordinateBasis": "Wikidata mine coordinate; candidate facility reference pending source-plan match",
        "sourceURL": "https://www.wikidata.org/wiki/Q16509152"
      },
      "locationNotes": [
        "Named mine coordinate agrees with the source region and mine identity. Exact historical conveyor within the mine complex remains untraced; coordinate is a location lead."
      ],
      "currentOperatingStatus": "not separately verified",
      "sources": [
        {
          "id": "library-6",
          "title": "Longer_Overland_Conveyors_with_Distributed_Power.pdf",
          "locator": "PDF page 1",
          "kind": "library_document"
        }
      ],
      "routes": [],
      "mapImage": "images/el-abra.webp",
      "imageryNotes": "Apple MapKit satellite reference, retrieved 5 October 2026. Imagery capture date unknown. Orange marker is a facility reference; the belt remains untraced."
    },
    {
      "id": "muja-collie",
      "name": "Muja / Collie long flight",
      "country": "Australia",
      "conveyorType": "troughed_belt",
      "scope": "library_case",
      "lengthMetres": 14000,
      "lengthBasis": "single conveyor: rounded historical report",
      "material": "Coal",
      "reportedYear": 1998,
      "dateBasis": "installation_reported",
      "evidenceTier": "C",
      "sourceIds": [
        "library-6"
      ],
      "registerNotes": [],
      "status": "facility_located",
      "site": {
        "latitude": -33.4499216,
        "longitude": 116.308747,
        "name": "Muja Power Station",
        "coordinateBasis": "Reviewed OSM way feature reference",
        "sourceURL": "https://www.openstreetmap.org/way/32787295"
      },
      "locationNotes": [
        "Named facility and regional location agree with the project source. Pin identifies the host facility; the individual conveyor remains untraced."
      ],
      "currentOperatingStatus": "not separately verified",
      "sources": [
        {
          "id": "library-6",
          "title": "Longer_Overland_Conveyors_with_Distributed_Power.pdf",
          "locator": "PDF page 1",
          "kind": "library_document"
        }
      ],
      "routes": [],
      "mapImage": "images/muja-collie.webp",
      "imageryNotes": "Apple MapKit satellite reference, retrieved 5 October 2026. Imagery capture date unknown. Orange marker is a facility reference; the belt remains untraced."
    },
    {
      "id": "bhp-dri",
      "name": "BHP DRI bidirectional system",
      "country": "Australia",
      "conveyorType": "troughed_belt",
      "scope": "library_case",
      "lengthMetres": 7000,
      "lengthBasis": "system: rounded historical report",
      "material": "Ore / pellets",
      "reportedYear": 1999,
      "dateBasis": "installation_reported",
      "evidenceTier": "C",
      "sourceIds": [
        "library-6"
      ],
      "registerNotes": [
        "Boodarie is a candidate host-site identity inferred from BHP DRI description; exact asset match unresolved."
      ],
      "status": "unresolved",
      "site": null,
      "locationNotes": [
        "No facility search result has yet been accepted. Unrelated, office-only and town-centre results are rejected; no inferred asset pin."
      ],
      "currentOperatingStatus": "not separately verified",
      "sources": [
        {
          "id": "library-6",
          "title": "Longer_Overland_Conveyors_with_Distributed_Power.pdf",
          "locator": "PDF page 1",
          "kind": "library_document"
        }
      ],
      "routes": [],
      "imageryNotes": "Apple MapKit satellite reference, retrieved 5 October 2026. Imagery capture date unknown. Orange marker is a facility reference; the belt remains untraced."
    },
    {
      "id": "henderson",
      "name": "Henderson mine-to-mill system",
      "country": "United States",
      "conveyorType": "troughed_belt",
      "scope": "library_case",
      "lengthMetres": 24000,
      "lengthBasis": "system: three flights; PC2 separately reported as 16.28 km",
      "material": "Molybdenum ore",
      "reportedYear": 1999,
      "dateBasis": "commissioning: operator account published July 2023",
      "evidenceTier": "A",
      "sourceIds": [
        "library-5",
        "library-6",
        "henderson-stormwater",
        "henderson-kung",
        "fcx-henderson",
        "fcx-henderson-location"
      ],
      "registerNotes": [
        "2004 paper gives December 1999 commissioning; the 2005 summary says installed in 2000. Retain explicit commissioning date. Much of the route is underground.",
        "The engineering paper labels PC3 6,400 m and its plan 20,567 ft (about 6,269 m); the mapped geographic polyline is 6,267.703 m. Map vertices were selected from imagery without scaling to an engineering length.",
        "Küng reports PC2 at 16,825 m; the earlier summary gives 16.28 km. Retain the source conflict, and distinguish the short surface trace from the full underground/surface flight."
      ],
      "status": "mapped_surface",
      "site": {
        "latitude": 39.8455167,
        "longitude": -106.0801562,
        "name": "Climax Molybdenum-Henderson Mill",
        "coordinateBasis": "Reviewed Apple MapKit facility search",
        "sourceURL": "https://maps.apple.com/?q=Henderson%20molybdenum%20mill%20Colorado"
      },
      "locationNotes": [
        "The exposed PC2 portal approach and PC3 corridor to the mill are mapped approximately from satellite imagery, checked against the operator’s stormwater plan.",
        "Amber: surface portion of PC2 (about 1.420 km geographic trace). Cyan: PC3 (about 6.268 km geographic trace). The common reference is the PC2/PC3 transfer building.",
        "Underground PC1 and PC2 alignments remain untraced. The displayed 7.687 km surface trace is not the complete 24 km mine-to-mill system.",
        "The traces follow the covered corridor and approximate terminal buildings; they do not locate surveyed belt axes or individual pulley centres."
      ],
      "currentOperatingStatus": "not separately verified",
      "sources": [
        {
          "id": "library-5",
          "title": "Latest Developments in Belt Conveyor Technology.pdf",
          "locator": "PDF pages 2–3",
          "kind": "library_document"
        },
        {
          "id": "library-6",
          "title": "Longer_Overland_Conveyors_with_Distributed_Power.pdf",
          "locator": "PDF page 1",
          "kind": "library_document"
        },
        {
          "id": "henderson-stormwater",
          "title": "Climax Molybdenum — Henderson Mill Storm Water Management Plan",
          "url": "https://dnrweblink.state.co.us/DRMSSearch/0/edoc/1340970/2021-08-24_HYDROLOGY%20-%20M1977342.pdf",
          "locator": "April 2020 plan, filed August 2021; Appendix A Figures 2–3 (PDF pages 30–31) identify conveyor, portal and PC2/PC3 transfer",
          "kind": "primary_web",
          "retrieved": "2026-10-05"
        },
        {
          "id": "henderson-kung",
          "title": "Walter Küng — A State of the Art Belt Conveyor",
          "url": "https://beltcon.org.za/wp-content/uploads/2024/12/B13-02-Kung-State-of-Art.pdf",
          "locator": "PDF pages 1–3: three-flight system and PC3 plan; plan is not geographically scaled",
          "kind": "primary_web",
          "retrieved": "2026-10-05"
        },
        {
          "id": "fcx-henderson",
          "title": "Freeport-McMoRan — Henderson conveyor belt replacement",
          "url": "https://fcx.com/freeport-features/070523",
          "locator": "5 July 2023: three conveyor belts; system commissioned in 1999",
          "kind": "primary_web",
          "retrieved": "2026-10-05"
        },
        {
          "id": "fcx-henderson-location",
          "title": "Freeport-McMoRan — United States operations",
          "url": "https://fcx.com/operations/north-america",
          "locator": "Henderson: 10-mile conveyor tunnel plus five-mile surface conveyor",
          "kind": "primary_web",
          "retrieved": "2026-10-05"
        }
      ],
      "routes": [
        {
          "id": "henderson-PC2-surface",
          "name": "Henderson PC2 — exposed portal approach",
          "measuredLengthMetres": 1419.624,
          "recordId": "henderson",
          "geometryRole": "approximate_imagery_trace",
          "geometryBasis": "Digitized in one native Apple MapKit satellite snapshot; corridor and terminal identities checked against Climax Molybdenum stormwater plan, Appendix A Figures 2 and 3, filed with Colorado in 2021.",
          "sourceTitle": "Native satellite corridor review and operator regulatory maps",
          "sourceURL": "https://dnrweblink.state.co.us/DRMSSearch/0/edoc/1340970/2021-08-24_HYDROLOGY%20-%20M1977342.pdf",
          "sourceSHA256": "6c0fb86f6f3b3e2ad868b4a610888c2f7040e0e9222998dbfd7c14a57e6d5821",
          "surfaceOnly": true,
          "color": "#fac982",
          "startLabel": "West tunnel portal reference",
          "endLabel": "PC2/PC3 transfer reference",
          "qualification": "Only the exposed PC2 section is traced; its underground section remains untraced."
        },
        {
          "id": "henderson-PC3",
          "name": "Henderson PC3 — transfer to mill",
          "measuredLengthMetres": 6267.703,
          "recordId": "henderson",
          "geometryRole": "approximate_imagery_trace",
          "geometryBasis": "Digitized in one native Apple MapKit satellite snapshot; corridor and terminal identities checked against Climax Molybdenum stormwater plan, Appendix A Figures 2 and 3, filed with Colorado in 2021.",
          "sourceTitle": "Native satellite corridor review and operator regulatory maps",
          "sourceURL": "https://dnrweblink.state.co.us/DRMSSearch/0/edoc/1340970/2021-08-24_HYDROLOGY%20-%20M1977342.pdf",
          "sourceSHA256": "6c0fb86f6f3b3e2ad868b4a610888c2f7040e0e9222998dbfd7c14a57e6d5821",
          "surfaceOnly": true,
          "color": "#73c8ff",
          "startLabel": "PC2/PC3 transfer reference",
          "endLabel": "PC3/SC1 mill transfer reference",
          "qualification": "Covered surface corridor traced; approximate terminal references, not surveyed pulley centres."
        }
      ],
      "region": "Colorado · Continental Divide",
      "mapImage": "images/henderson-surface.webp",
      "imageryNotes": "Apple MapKit satellite, retrieved 5 October 2026; capture date unknown. Amber: exposed PC2 portal approach. Cyan: PC3 to the mill. Underground PC1/PC2 untraced."
    },
    {
      "id": "landau",
      "name": "Landau - Navigation Plant to RLT",
      "country": "South Africa",
      "conveyorType": "troughed_belt",
      "scope": "library_case",
      "lengthMetres": 3200,
      "lengthBasis": "single conveyor: source design length",
      "material": "Coal",
      "reportedYear": null,
      "dateBasis": null,
      "evidenceTier": "A",
      "sourceIds": [
        "library-1"
      ],
      "registerNotes": [
        "Commissioning and testing documented; 1993 is an award year, not a confirmed commissioning year."
      ],
      "status": "unresolved",
      "site": null,
      "locationNotes": [
        "No facility search result has yet been accepted. Unrelated, office-only and town-centre results are rejected; no inferred asset pin."
      ],
      "currentOperatingStatus": "not separately verified",
      "sources": [
        {
          "id": "library-1",
          "title": "1.design of a long overland conveyor with tight horizontal curves.pdf",
          "locator": "PDF pages 1–2",
          "kind": "library_document"
        }
      ],
      "routes": [],
      "imageryNotes": "Apple MapKit satellite reference, retrieved 5 October 2026. Imagery capture date unknown. Orange marker is a facility reference; the belt remains untraced."
    },
    {
      "id": "obajana",
      "name": "Obajana - 6.9 km elevated troughed conveyor",
      "country": "Nigeria",
      "conveyorType": "troughed_belt",
      "scope": "library_case",
      "lengthMetres": 6900,
      "lengthBasis": "single conveyor within a two-conveyor 7.7 km system",
      "material": "Limestone / raw materials",
      "reportedYear": 2006,
      "dateBasis": "dry_commissioning",
      "evidenceTier": "A",
      "sourceIds": [
        "library-4"
      ],
      "registerNotes": [
        "Paper calls the plant Objana; modern spelling Obajana. Dry commissioning occurred in autumn 2006; wet commissioning was still pending when the paper was written."
      ],
      "status": "facility_located",
      "site": {
        "latitude": 7.9218681,
        "longitude": 6.4300549,
        "name": "Dangote Obajana Cement",
        "coordinateBasis": "Reviewed OSM way feature reference",
        "sourceURL": "https://www.openstreetmap.org/way/944919621"
      },
      "locationNotes": [
        "Named facility and regional location agree with the project source. Pin identifies the host facility; the individual conveyor remains untraced."
      ],
      "currentOperatingStatus": "not separately verified",
      "sources": [
        {
          "id": "library-4",
          "title": "Kruse & Gibbs - 6.9 km Horizontally Curved Troughed Conveyor (Beltcon, Pulley Library copy)",
          "locator": "PDF page 1",
          "kind": "library_document"
        }
      ],
      "routes": [],
      "mapImage": "images/obajana.webp",
      "imageryNotes": "Apple MapKit satellite reference, retrieved 5 October 2026. Imagery capture date unknown. Orange marker is a facility reference; the belt remains untraced."
    },
    {
      "id": "tianjin-port",
      "name": "Tianjin Port coal overland",
      "country": "China",
      "conveyorType": "troughed_belt",
      "scope": "library_case",
      "lengthMetres": 8980,
      "lengthBasis": "single conveyor: source plan drawing",
      "material": "Coal",
      "reportedYear": 2004,
      "dateBasis": "installation_reported",
      "evidenceTier": "C",
      "sourceIds": [
        "library-5"
      ],
      "registerNotes": [
        "The port hosts many conveyors; the 2004 asset identity requires a terminal-specific match."
      ],
      "status": "unresolved",
      "site": null,
      "locationNotes": [
        "No facility search result has yet been accepted. Unrelated, office-only and town-centre results are rejected; no inferred asset pin."
      ],
      "currentOperatingStatus": "not separately verified",
      "sources": [
        {
          "id": "library-5",
          "title": "Latest Developments in Belt Conveyor Technology.pdf",
          "locator": "PDF pages 2–3",
          "kind": "library_document"
        }
      ],
      "routes": [],
      "imageryNotes": "Apple MapKit satellite reference, retrieved 5 October 2026. Imagery capture date unknown. Orange marker is a facility reference; the belt remains untraced."
    },
    {
      "id": "wyodak",
      "name": "Wyodak pit-to-plant curved conveyor",
      "country": "United States",
      "conveyorType": "troughed_belt",
      "scope": "library_case",
      "lengthMetres": 756,
      "lengthBasis": "single conveyor: source report",
      "material": "Coal",
      "reportedYear": null,
      "dateBasis": null,
      "evidenceTier": "C",
      "sourceIds": [
        "library-5"
      ],
      "registerNotes": [],
      "status": "facility_located",
      "site": {
        "latitude": 44.316322,
        "longitude": -105.3883019,
        "name": "Wyodak Mine",
        "coordinateBasis": "Reviewed OSM way feature reference",
        "sourceURL": "https://www.openstreetmap.org/way/140250830"
      },
      "locationNotes": [
        "Named facility and regional location agree with the project source. Pin identifies the host facility; the individual conveyor remains untraced."
      ],
      "currentOperatingStatus": "not separately verified",
      "sources": [
        {
          "id": "library-5",
          "title": "Latest Developments in Belt Conveyor Technology.pdf",
          "locator": "PDF pages 2–3",
          "kind": "library_document"
        }
      ],
      "routes": [],
      "mapImage": "images/wyodak.webp",
      "imageryNotes": "Apple MapKit satellite reference, retrieved 5 October 2026. Imagery capture date unknown. Orange marker is a facility reference; the belt remains untraced."
    },
    {
      "id": "erwin-1992",
      "name": "ERWIN / Evergreen Mining curved conveyor",
      "country": "United States",
      "conveyorType": "troughed_belt",
      "scope": "library_design",
      "lengthMetres": null,
      "lengthBasis": "not yet transcribed",
      "material": null,
      "reportedYear": 1992,
      "dateBasis": "report",
      "evidenceTier": "C",
      "sourceIds": [
        "library-10"
      ],
      "registerNotes": [
        "Fairmont address belongs to the contractor. It is not evidence of the belt location. No pin assigned."
      ],
      "status": "unresolved",
      "site": null,
      "locationNotes": [
        "Source identifies an engineering assignment, but does not yet establish the specific belt site or route. No pin assigned."
      ],
      "currentOperatingStatus": "not separately verified",
      "sources": [
        {
          "id": "library-10",
          "title": "Beumer 1992 - Installation Report, Horizontally Curved Belt Conveyor, Project ERWIN (Erwin Industries).pdf",
          "locator": "PDF page 1",
          "kind": "library_document"
        }
      ],
      "routes": [],
      "imageryNotes": "Apple MapKit satellite reference, retrieved 5 October 2026. Imagery capture date unknown. Orange marker is a facility reference; the belt remains untraced."
    },
    {
      "id": "dart-1992",
      "name": "DART tunneling - northbound and southbound designs",
      "country": "United States",
      "conveyorType": "troughed_belt",
      "scope": "library_design",
      "lengthMetres": null,
      "lengthBasis": "two design alignments; lengths not yet transcribed",
      "material": null,
      "reportedYear": 1992,
      "dateBasis": "design_report",
      "evidenceTier": "C",
      "sourceIds": [
        "library-11"
      ],
      "registerNotes": [
        "Design evidence only; exact tunnel portals and temporary conveyor status unresolved. No Dallas city-centre pin assigned."
      ],
      "status": "unresolved",
      "site": null,
      "locationNotes": [
        "Source identifies an engineering assignment, but does not yet establish the specific belt site or route. No pin assigned."
      ],
      "currentOperatingStatus": "not separately verified",
      "sources": [
        {
          "id": "library-11",
          "title": "Tooker 1992 - Horizontal Curve Design for DART Tunneling Project (16-page excerpt).pdf",
          "locator": "PDF page 1",
          "kind": "library_document"
        }
      ],
      "routes": [],
      "imageryNotes": "Apple MapKit satellite reference, retrieved 5 October 2026. Imagery capture date unknown. Orange marker is a facility reference; the belt remains untraced."
    },
    {
      "id": "perini-chicago-1993",
      "name": "Perini / Chicago Tunnel - conveyors 1 and 2",
      "country": "United States",
      "conveyorType": "troughed_belt",
      "scope": "library_design",
      "lengthMetres": null,
      "lengthBasis": "two design assets; lengths not yet transcribed",
      "material": null,
      "reportedYear": 1993,
      "dateBasis": "design_report",
      "evidenceTier": "C",
      "sourceIds": [
        "library-12"
      ],
      "registerNotes": [
        "Design correspondence alone does not identify the underground alignment or establish operation. No Chicago city-centre pin assigned."
      ],
      "status": "unresolved",
      "site": null,
      "locationNotes": [
        "Source identifies an engineering assignment, but does not yet establish the specific belt site or route. No pin assigned."
      ],
      "currentOperatingStatus": "not separately verified",
      "sources": [
        {
          "id": "library-12",
          "title": "Tooker 1993 - Horizontal Curve Analysis for Perini Chicago Tunnel Project (letter and data sheets for Continental Conveyor).pdf",
          "locator": "PDF page 1",
          "kind": "library_document"
        }
      ],
      "routes": [],
      "imageryNotes": "Apple MapKit satellite reference, retrieved 5 October 2026. Imagery capture date unknown. Orange marker is a facility reference; the belt remains untraced."
    },
    {
      "id": "bangladesh-lbc",
      "name": "Bangladesh LBC — Meghalaya to Chhatak",
      "country": "Bangladesh",
      "countries": [
        "India",
        "Bangladesh"
      ],
      "conveyorType": "troughed_belt",
      "scope": "major_overland",
      "lengthMetres": 17000,
      "lengthBasis": "single cross-border conveyor: rounded operator-reported length",
      "material": "Limestone",
      "reportedYear": null,
      "dateBasis": null,
      "evidenceTier": "A",
      "sourceIds": [
        "lbc-operator",
        "lbc-changeout",
        "lbc-archived-mapping"
      ],
      "registerNotes": [
        "Operator identifies the 17 km elevated cross-border conveyor supplying the Surma plant at Chhatak from its Meghalaya quarry. The 2022 report records limestone transport that year; current operation is not inferred from archived imagery.",
        "The 16.913 km map-polyline length is an approximate geographic measurement of 21 archived vertices, separate from the rounded 17 km engineering length."
      ],
      "status": "archived_routes",
      "site": {
        "latitude": 25.03871237505354,
        "longitude": 91.64950988398022,
        "name": "Chhatak / Surma plant conveyor destination reference",
        "coordinateBasis": "Southern endpoint of archived Long Belt Conveyor KML; approximate destination reference",
        "sourceURL": "https://maps.apple.com/?ll=25.03871237505354,91.64950988398022&t=k"
      },
      "locationNotes": [
        "Archived KML follows the corridor from Meghalaya, India, south to the Chhatak plant in Bangladesh. The endpoint coordinates are map vertices, not surveyed pulley centres."
      ],
      "currentOperatingStatus": "Operation documented in 2022; present state not separately verified",
      "sources": [
        {
          "id": "lbc-operator",
          "title": "LafargeHolcim Bangladesh annual report 2022",
          "url": "https://www.lafargeholcim.com.bd/sites/bangladesh/files/2023-05/lhbl-annual-report-2022-1.pdf",
          "locator": "Operational performance: Quarry, Belt Conveyor and Surma Plant",
          "kind": "primary_web",
          "retrieved": "2026-10-05"
        },
        {
          "id": "lbc-changeout",
          "title": "Almex Global Services — Bangladesh belt changeout",
          "url": "https://www.almex.com/india/en/bangladesh/",
          "kind": "primary_web",
          "retrieved": "2026-10-05"
        },
        {
          "id": "lbc-archived-mapping",
          "title": "Long Belt Conveyor — archived KML",
          "locator": "21 WGS84 path vertices; approximate corridor mapping",
          "kind": "project_archive"
        }
      ],
      "routes": [
        {
          "id": "lbc",
          "recordId": "bangladesh-lbc",
          "name": "Bangladesh LBC — Meghalaya to Chhatak",
          "measuredLengthMetres": 16913.217,
          "geometryBasis": "Archived Long Belt Conveyor KML; approximate 21-vertex path, not surveyed",
          "sourceTitle": "Long Belt Conveyor — archived KML",
          "sourceSHA256": "aba3751e5213b0f10b9e5c448b2b8fa5df16423f79722ab0f7ee72305e9b01e6"
        }
      ],
      "mapImage": "images/bangladesh-lbc.webp",
      "imageryNotes": "Apple MapKit satellite reference, retrieved 5 October 2026. Imagery capture date unknown. Cyan lines are approximate archived route geometry."
    }
  ],
  "sources": [
    {
      "id": "library-1",
      "title": "1.design of a long overland conveyor with tight horizontal curves.pdf",
      "locator": "PDF pages 1–2",
      "kind": "library_document"
    },
    {
      "id": "library-2",
      "title": "Grimmer & Kessler 1992 - The Design of Belt Conveyors with Horizontal Curves (BSH 12-4).pdf",
      "locator": "Retained library document; source inventory contains original path and SHA-256",
      "kind": "library_document"
    },
    {
      "id": "library-3",
      "title": "Klupfel 1998 - Belt Conveyor Systems with Horizontal and Vertical Curves (BSH 18-1) [BSh-001-1998_006].pdf",
      "locator": "Retained library document; source inventory contains original path and SHA-256",
      "kind": "library_document"
    },
    {
      "id": "library-4",
      "title": "Kruse & Gibbs - 6.9 km Horizontally Curved Troughed Conveyor (Beltcon, Pulley Library copy)",
      "locator": "PDF page 1",
      "kind": "library_document"
    },
    {
      "id": "library-5",
      "title": "Latest Developments in Belt Conveyor Technology.pdf",
      "locator": "PDF pages 2–3",
      "kind": "library_document"
    },
    {
      "id": "library-6",
      "title": "Longer_Overland_Conveyors_with_Distributed_Power.pdf",
      "locator": "PDF page 1",
      "kind": "library_document"
    },
    {
      "id": "library-7",
      "title": "Optimisation of overland conveyor (AU Mining Mag).pdf",
      "locator": "Retained library document; source inventory contains original path and SHA-256",
      "kind": "library_document"
    },
    {
      "id": "library-8",
      "title": "Tooker 1984 - Using Horizontal Curves to Optimize the Alignment of Belt Conveyors (BSH 4-4).pdf",
      "locator": "Retained library document; source inventory contains original path and SHA-256",
      "kind": "library_document"
    },
    {
      "id": "library-9",
      "title": "Tooker 1988 - Using Garland Idlers in Horizontal Curves (BSH 8-3).pdf",
      "locator": "Retained library document; source inventory contains original path and SHA-256",
      "kind": "library_document"
    },
    {
      "id": "library-10",
      "title": "Beumer 1992 - Installation Report, Horizontally Curved Belt Conveyor, Project ERWIN (Erwin Industries).pdf",
      "locator": "PDF page 1",
      "kind": "library_document"
    },
    {
      "id": "library-11",
      "title": "Tooker 1992 - Horizontal Curve Design for DART Tunneling Project (16-page excerpt).pdf",
      "locator": "PDF page 1",
      "kind": "library_document"
    },
    {
      "id": "library-12",
      "title": "Tooker 1993 - Horizontal Curve Analysis for Perini Chicago Tunnel Project (letter and data sheets for Continental Conveyor).pdf",
      "locator": "PDF page 1",
      "kind": "library_document"
    },
    {
      "id": "beumer",
      "title": "BEUMER Belt Conveyors",
      "url": "https://www.beumergroup.com/app/uploads/2019/03/BEUMER-Belt-Conveyors.pdf",
      "locator": "PDF page 7: troughed reference columns; visually checked",
      "kind": "primary_web",
      "retrieved": "2026-10-05"
    },
    {
      "id": "occ",
      "title": "Overland Conveyor Company: Sample Projects",
      "url": "https://www.overlandconveyor.com/sample-projects",
      "locator": "Conveyor Design section; study-only references excluded",
      "kind": "primary_web",
      "retrieved": "2026-10-05"
    },
    {
      "id": "dune",
      "title": "Atlas Energy Solutions: Dune Express",
      "url": "https://www.atlas.energy/dune-express/",
      "kind": "primary_web",
      "retrieved": "2026-10-05"
    },
    {
      "id": "cdi",
      "title": "Conveyor Dynamics: Experience",
      "url": "https://cvdyn.com/experience/",
      "kind": "primary_web",
      "retrieved": "2026-10-05"
    },
    {
      "id": "curragh",
      "title": "Conveyor Dynamics: Curragh",
      "url": "https://cvdyn.com/experience/curragh-project/",
      "kind": "primary_web",
      "retrieved": "2026-10-05"
    },
    {
      "id": "impumelelo",
      "title": "Conveyor Dynamics: Impumelelo",
      "url": "https://photo.cvdyn.com/experience/impumelelo-project/",
      "kind": "primary_web",
      "retrieved": "2026-10-05"
    },
    {
      "id": "zisco",
      "title": "Conveyor Dynamics: Zisco",
      "url": "https://cvdyn.com/experience/zisco-project/",
      "kind": "primary_web",
      "retrieved": "2026-10-05"
    },
    {
      "id": "pelambres",
      "title": "Conveyor Dynamics: Los Pelambres",
      "url": "https://cvdyn.com/experience/los-pelambres-project/",
      "kind": "primary_web",
      "retrieved": "2026-10-05"
    },
    {
      "id": "channar",
      "title": "Conveyor Dynamics: Channar",
      "url": "https://www.cvdyn.com/experience/channar-project/",
      "kind": "primary_web",
      "retrieved": "2026-10-05"
    },
    {
      "id": "yadong",
      "title": "BEUMER: Asia Cement Group / Sichuan Yadong",
      "url": "https://www.beumergroup.com/de/referenz/zement/muldengurtfoerderer-asia-cement-group/",
      "kind": "primary_web",
      "retrieved": "2026-10-05"
    },
    {
      "id": "union-civil",
      "title": "CLSI: Lehigh Hanson conveyor",
      "url": "https://clsi-civileng.com/2016/05/03/lehigh-hanson-conveyor/",
      "kind": "primary_web",
      "retrieved": "2026-10-05"
    },
    {
      "id": "atlas-technical",
      "title": "Atlas Kermit operation technical report",
      "url": "https://ir.atlas.energy/sec-filings/all-sec-filings/content/0001193125-23-020501/d292890dex991.htm",
      "locator": "Section 4: Description of the Property and Location",
      "kind": "primary_web",
      "retrieved": "2026-10-05"
    },
    {
      "id": "location-impumelelo",
      "title": "GEM mapped facility: Impumelelo mine",
      "url": "https://www.gem.wiki/Impumelelo_Coal_Mine",
      "locator": "Location table; used only for a candidate site coordinate",
      "kind": "location_catalog",
      "retrieved": "2026-10-05"
    },
    {
      "id": "location-halla-cement",
      "title": "GEM mapped facility: Halla Okgye main plant",
      "url": "https://www.gem.wiki/Halla_Cement_Corp_Gangneung_Okgye_Main_Cement_Plant",
      "locator": "Location table; used only for a candidate site coordinate",
      "kind": "location_catalog",
      "retrieved": "2026-10-05"
    },
    {
      "id": "location-yadong-2009",
      "title": "GEM mapped facility: Sichuan Yadong cement plant",
      "url": "https://www.gem.wiki/Sichuan_Ya_Dong_Cement_Co_Ltd_Cement_Plant",
      "locator": "Location table; used only for a candidate site coordinate",
      "kind": "location_catalog",
      "retrieved": "2026-10-05"
    },
    {
      "id": "location-binh-phuoc",
      "title": "GEM mapped Binh Phuoc / VICEM Ha Tien plant",
      "url": "https://www.gem.wiki/Vicem_Ha_Tien_Cement_JSC_B%C3%ACnh_Long_Cement_Plant",
      "locator": "Location table; competing site identities retained",
      "kind": "location_catalog",
      "retrieved": "2026-10-05"
    },
    {
      "id": "henderson-stormwater",
      "title": "Climax Molybdenum — Henderson Mill Storm Water Management Plan",
      "url": "https://dnrweblink.state.co.us/DRMSSearch/0/edoc/1340970/2021-08-24_HYDROLOGY%20-%20M1977342.pdf",
      "locator": "April 2020 plan, filed August 2021; Appendix A Figures 2–3 (PDF pages 30–31) identify conveyor, portal and PC2/PC3 transfer",
      "kind": "primary_web",
      "retrieved": "2026-10-05"
    },
    {
      "id": "henderson-kung",
      "title": "Walter Küng — A State of the Art Belt Conveyor",
      "url": "https://beltcon.org.za/wp-content/uploads/2024/12/B13-02-Kung-State-of-Art.pdf",
      "locator": "PDF pages 1–3: three-flight system and PC3 plan; plan is not geographically scaled",
      "kind": "primary_web",
      "retrieved": "2026-10-05"
    },
    {
      "id": "lbc-operator",
      "title": "LafargeHolcim Bangladesh annual report 2022",
      "url": "https://www.lafargeholcim.com.bd/sites/bangladesh/files/2023-05/lhbl-annual-report-2022-1.pdf",
      "locator": "Operational performance: Quarry, Belt Conveyor and Surma Plant",
      "kind": "primary_web",
      "retrieved": "2026-10-05"
    },
    {
      "id": "lbc-changeout",
      "title": "Almex Global Services — Bangladesh belt changeout",
      "url": "https://www.almex.com/india/en/bangladesh/",
      "kind": "primary_web",
      "retrieved": "2026-10-05"
    },
    {
      "id": "fcx-henderson",
      "title": "Freeport-McMoRan — Henderson conveyor belt replacement",
      "url": "https://fcx.com/freeport-features/070523",
      "locator": "5 July 2023: three conveyor belts; system commissioned in 1999",
      "kind": "primary_web",
      "retrieved": "2026-10-05"
    },
    {
      "id": "fcx-henderson-location",
      "title": "Freeport-McMoRan — United States operations",
      "url": "https://fcx.com/operations/north-america",
      "locator": "Henderson: 10-mile conveyor tunnel plus five-mile surface conveyor",
      "kind": "primary_web",
      "retrieved": "2026-10-05"
    },
    {
      "id": "atlas-archived-mapping",
      "title": "Conveyor Maven — archived Atlas Sands map coordinates",
      "locator": "Four conveyor flights; approximate WGS84 map geometry",
      "kind": "project_archive"
    },
    {
      "id": "lbc-archived-mapping",
      "title": "Long Belt Conveyor — archived KML",
      "locator": "21 WGS84 path vertices; approximate corridor mapping",
      "kind": "project_archive"
    }
  ],
  "statusLabels": {
    "archived_routes": "Approximate archived routes mapped",
    "mapped_surface": "Surface route mapped · underground untraced",
    "facility_located": "Facility located · belt untraced",
    "candidate_facility": "Tentative facility match",
    "unresolved": "Location unresolved"
  },
  "evidenceTiers": {
    "A": "Explicit installation, use or commissioning account",
    "B": "Supplier project reference",
    "C": "Historical summary or design document"
  },
  "counts": {
    "archived_routes": 2,
    "candidate_facility": 12,
    "facility_located": 11,
    "unresolved": 8,
    "mapped_surface": 1
  },
  "researchQueue": [
    "Reconcile year conflicts at ZISCO and Channar.",
    "Identify exact ERWIN, DART and Perini assets from drawings.",
    "Recover geographic alignments for underground and covered sections.",
    "Trace major routes only where imagery or georeferenced source drawings support them.",
    "Continue named-case extraction from remaining historical papers."
  ]
}