{"@context":"https://schema.org","archive":{"base_url":"https://boston.fyi","csts_conformance":"provisional","csts_profile":"CSTS-01/ARCHIVE","name":"The Boston Archive","subject":"Boston, Massachusetts"},"canonical_url":"https://boston.fyi/place/board-of-trade-building","json_ld":{"@context":"https://schema.org","@graph":[{"@id":"https://boston.fyi/#archive","@type":"ArchiveOrganization","archiveHeld":{"@type":"ArchiveComponent","about":"Boston, Massachusetts","name":"The The Boston Archive holdings"},"conformsTo":"https://boston.fyi/standards/csts-01-reference-profile","description":"The Boston Archive is the authority source for one subject. It holds the public civic record of Boston, Massachusetts — its places, people, organizations, events, works, and objects; the documents and datasets that attest them; and the grey record of what people say about the city that no authority ever wrote down. Every record carries a stable identifier, a canonical address, a full provenance chain, and its version history. Every record resolves as a page for a person and as JSON for a machine.","email":"archive@boston.fyi","founder":{"@type":"Person","name":"LeMay Inc."},"foundingDate":"2026","name":"The Boston Archive","slogan":"The record of one city, held whole.","url":"https://boston.fyi"},{"@id":"https://boston.fyi/#website","@type":"WebSite","conformsTo":"https://boston.fyi/standards/csts-01-reference-profile","inLanguage":"en","name":"The Boston Archive","potentialAction":{"@type":"SearchAction","query-input":"required name=search_term_string","target":{"@type":"EntryPoint","urlTemplate":"https://boston.fyi/ask?q={search_term_string}"}},"publisher":{"@id":"https://boston.fyi/#archive"},"url":"https://boston.fyi"},{"@id":"https://boston.fyi/place/board-of-trade-building#provenance","@type":"CreativeWork","additionalProperty":[{"@type":"PropertyValue","name":"sourceCollection","value":"City of Boston Open Data Portal (Analyze Boston)"},{"@type":"PropertyValue","name":"licenseName","value":"Open Data Commons Public Domain Dedication and Licence (PDDL) 1.0"},{"@type":"PropertyValue","name":"licenseOpenness","value":"public_domain"},{"@type":"PropertyValue","name":"retrievedAt","value":"2026-09-02T22:35:59.716515+00:00"},{"@type":"PropertyValue","name":"transformCount","value":3}],"creator":{"@type":"Organization","name":"City of Boston Open Data Portal (Analyze Boston)"},"creditText":"City of Boston","dateCreated":"2026-09-02T22:35:59.716515+00:00","isBasedOn":"https://data.boston.gov/dataset/boston-landmarks-commission-blc-landmarks","license":"https://opendatacommons.org/licenses/pddl/1-0/","name":"Provenance of Board of Trade Building"},{"@id":"https://boston.fyi/place/board-of-trade-building","@type":"Place","additionalProperty":[{"@type":"PropertyValue","name":"recordType","value":"Place"},{"@type":"PropertyValue","description":"official = promulgated by an authority; vernacular = held by attestation alone. The two layers are never merged.","name":"boundaryLayer","value":"official"},{"@type":"PropertyValue","name":"placeType","value":"landmark"},{"@type":"PropertyValue","name":"boundaryAuthority","value":"Boston Landmarks Commission"},{"@type":"PropertyValue","name":"areaSquareMetres","value":1410.3127440316962}],"conformsTo":"https://boston.fyi/standards/csts-01-reference-profile","containedInPlace":{"@type":"Place","name":"Boston"},"dateCreated":"2026-09-02T22:36:20.057252+00:00","dateModified":"2026-09-02T22:36:20.057252+00:00","description":"A property designated a landmark by the Boston Landmarks Commission.","encoding":{"@type":"MediaObject","contentUrl":"https://boston.fyi/place/board-of-trade-building.json","encodingFormat":"application/json"},"geo":{"@type":"GeoCoordinates","latitude":42.35894873,"longitude":-71.054217168},"hasMap":{"@type":"Map","encodingFormat":"application/geo+json","geometry":{"coordinates":[[[[-71.053963063,42.358808695],[-71.054110109,42.359088764],[-71.054158184,42.359221577],[-71.054500295,42.359164579],[-71.054500454,42.359164552],[-71.054500709,42.359164509],[-71.054500939,42.359164455],[-71.054501183,42.359164401],[-71.054501413,42.359164339],[-71.054501658,42.359164269],[-71.054501877,42.359164199],[-71.054502107,42.359164117],[-71.054502326,42.35916403],[-71.054502545,42.35916394],[-71.054502764,42.359163842],[-71.05450296,42.359163734],[-71.054503179,42.359163628],[-71.054503372,42.359163521],[-71.054503569,42.359163404],[-71.054503751,42.359163279],[-71.054503934,42.359163144],[-71.054504105,42.359163019],[-71.054504276,42.359162875],[-71.054504436,42.35916274],[-71.054504592,42.359162587],[-71.054504742,42.359162445],[-71.054504887,42.359162292],[-71.054505022,42.35916213],[-71.054505144,42.35916197],[-71.054505268,42.359161808],[-71.054505376,42.359161646],[-71.054505477,42.359161477],[-71.054505575,42.359161304],[-71.054505661,42.359161134],[-71.054505747,42.359160954],[-71.054505819,42.359160775],[-71.054505883,42.359160594],[-71.054505933,42.359160413],[-71.054505982,42.359160235],[-71.05450602,42.359160046],[-71.054506048,42.359159857],[-71.05450606,42.359159676],[-71.054506072,42.359159487],[-71.054506073,42.359159308],[-71.054506064,42.359159119],[-71.054506054,42.359158929],[-71.054506029,42.359158748],[-71.054505994,42.35915857],[-71.054505957,42.359158381],[-71.054505911,42.359158199],[-71.054505853,42.359158021],[-71.05450578,42.359157839],[-71.054505707,42.359157668],[-71.054505624,42.359157487],[-71.054282877,42.358726429],[-71.053963063,42.358808695]]]],"type":"MultiPolygon"},"name":"Boundary of Board of Trade Building"},"identifier":"urn:lemay:boston:entity:board-of-trade-building","inLanguage":"en","isPartOf":{"@id":"https://boston.fyi/#archive"},"license":"https://opendatacommons.org/licenses/pddl/1-0/","name":"Board of Trade Building","provenance":{"@id":"https://boston.fyi/place/board-of-trade-building#provenance"},"url":"https://boston.fyi/place/board-of-trade-building","version":1},{"@id":"https://boston.fyi/place/board-of-trade-building#breadcrumbs","@type":"BreadcrumbList","itemListElement":[{"@type":"ListItem","item":"https://boston.fyi","name":"The Boston Archive","position":1},{"@type":"ListItem","item":"https://boston.fyi/place","name":"Places","position":2},{"@type":"ListItem","item":"https://boston.fyi/place/board-of-trade-building","name":"Board of Trade Building","position":3}]}]},"json_url":"https://boston.fyi/place/board-of-trade-building.json","record":{"alternate_names":[],"canonical_name":"Board of Trade Building","canonical_path":"/place/board-of-trade-building","created_at":"2026-09-02T22:36:20.057252Z","description":"A property designated a landmark by the Boston Landmarks Commission.","detail":{"area_sq_m":1410.3127440316962,"authority":"Boston Landmarks Commission","boundary_layer":"official","centroid_geojson":{"coordinates":[-71.054217168,42.35894873],"type":"Point"},"detail_type":"Place","geometry_geojson":{"coordinates":[[[[-71.053963063,42.358808695],[-71.054110109,42.359088764],[-71.054158184,42.359221577],[-71.054500295,42.359164579],[-71.054500454,42.359164552],[-71.054500709,42.359164509],[-71.054500939,42.359164455],[-71.054501183,42.359164401],[-71.054501413,42.359164339],[-71.054501658,42.359164269],[-71.054501877,42.359164199],[-71.054502107,42.359164117],[-71.054502326,42.35916403],[-71.054502545,42.35916394],[-71.054502764,42.359163842],[-71.05450296,42.359163734],[-71.054503179,42.359163628],[-71.054503372,42.359163521],[-71.054503569,42.359163404],[-71.054503751,42.359163279],[-71.054503934,42.359163144],[-71.054504105,42.359163019],[-71.054504276,42.359162875],[-71.054504436,42.35916274],[-71.054504592,42.359162587],[-71.054504742,42.359162445],[-71.054504887,42.359162292],[-71.054505022,42.35916213],[-71.054505144,42.35916197],[-71.054505268,42.359161808],[-71.054505376,42.359161646],[-71.054505477,42.359161477],[-71.054505575,42.359161304],[-71.054505661,42.359161134],[-71.054505747,42.359160954],[-71.054505819,42.359160775],[-71.054505883,42.359160594],[-71.054505933,42.359160413],[-71.054505982,42.359160235],[-71.05450602,42.359160046],[-71.054506048,42.359159857],[-71.05450606,42.359159676],[-71.054506072,42.359159487],[-71.054506073,42.359159308],[-71.054506064,42.359159119],[-71.054506054,42.359158929],[-71.054506029,42.359158748],[-71.054505994,42.35915857],[-71.054505957,42.359158381],[-71.054505911,42.359158199],[-71.054505853,42.359158021],[-71.05450578,42.359157839],[-71.054505707,42.359157668],[-71.054505624,42.359157487],[-71.054282877,42.358726429],[-71.053963063,42.358808695]]]],"type":"MultiPolygon"},"gnis_feature_id":null,"place_type":"landmark","within_place_id":"59094999-1a7e-42fc-a665-bf54c5d7e59a","within_place_name":"Boston"},"entity_type":"Place","external_ids":{"boston_dataset":"boston-landmarks-commission-blc-landmarks","latitude":42.35914103276791,"longitude":-71.05446784824996},"id":"af448c12-e8f2-4226-8e0f-7734c82ddfff","kind":"entity","provenance":{"attribution":"City of Boston","license_id":"odc-pddl","license_name":"Open Data Commons Public Domain Dedication and Licence (PDDL) 1.0","license_url":"https://opendatacommons.org/licenses/pddl/1-0/","openness":"public_domain","retrieved_at":"2026-09-02T22:35:59.716515Z","rights_statement":"Open Data Commons Public Domain Dedication and License (PDDL)","source_id":"city-of-boston-open-data","source_identifier":"34","source_name":"City of Boston Open Data Portal (Analyze Boston)","source_url":"https://data.boston.gov/dataset/boston-landmarks-commission-blc-landmarks","transforms":[{"description":"retrieved the dataset's GeoJSON from the City of Boston open-data portal","input_sha256":null,"operation":"fetch","output_sha256":null,"parameters":{},"performed_at":"2026-09-02T22:36:20.181145Z","seq":1,"tool":"archive-ingest 0.1.0"},{"description":"the source's own name field became the record title; no name was supplied by the archive","input_sha256":null,"operation":"normalize","output_sha256":null,"parameters":{},"performed_at":"2026-09-02T22:36:20.221897Z","seq":2,"tool":"archive-ingest 0.1.0"},{"description":"the source is WGS 84 (EPSG:4326); geometry was set to that SRID without alteration of coordinates","input_sha256":null,"operation":"reproject","output_sha256":null,"parameters":{},"performed_at":"2026-09-02T22:36:20.262238Z","seq":3,"tool":"archive-ingest 0.1.0"}]},"record_kind":"entity","slug":"board-of-trade-building","status":"published","summary":"A property designated a landmark by the Boston Landmarks Commission.","title":"Board of Trade Building","updated_at":"2026-09-02T22:36:20.057252Z","urn":"urn:lemay:boston:entity:board-of-trade-building","version":1,"withdrawn_reason":null},"related":[{"record":{"canonical_path":"/place/boston","id":"59094999-1a7e-42fc-a665-bf54c5d7e59a","kind":"entity","title":"Boston","urn":"urn:lemay:boston:entity:boston"},"relation":"located_in"}],"urn":"urn:lemay:boston:entity:board-of-trade-building","version_history":[{"change_note":"accessioned from the City of Boston `boston-landmarks-commission-blc-landmarks` file","changed_by":"archive-ingest 0.1.0","recorded_at":"2026-09-02T22:36:20.303956Z","version":1}]}