{"@context":"https://schema.org","@type":"Dataset","@id":"https://asbestosatlas.org/shipyard/willamette-iron-steel#provenance","name":"Willamette Iron & Steel Corporation — Evidence Provenance Record","description":"Machine-readable provenance for 1 evidence record documenting historical asbestos exposure at Willamette Iron & Steel Corporation in Portland, OR.","url":"https://asbestosatlas.org/shipyard/willamette-iron-steel/provenance.json","mainEntityOfPage":{"@type":"WebPage","@id":"https://asbestosatlas.org/shipyard/willamette-iron-steel#webpage"},"isPartOf":{"@type":"Dataset","@id":"https://asbestosatlas.org/data#dataset","name":"U.S. Shipyard Asbestos Exposure Dataset","identifier":"https://doi.org/10.5281/zenodo.22313866","url":"https://asbestosatlas.org/data","version":"1.6"},"version":"1.6","license":"https://creativecommons.org/licenses/by/4.0/","spatialCoverage":{"@type":"Place","@id":"https://asbestosatlas.org/shipyard/willamette-iron-steel#place","name":"Willamette Iron & Steel Corporation"},"variableMeasured":[{"@type":"PropertyValue","propertyID":"Evidence records","value":1},{"@type":"PropertyValue","propertyID":"Evidence tier","value":"Tier 3"},{"@type":"PropertyValue","propertyID":"Direct source URLs","value":1},{"@type":"PropertyValue","propertyID":"Documented asbestos products","value":1}],"hasPart":[{"@type":"CreativeWork","@id":"https://asbestosatlas.org/shipyard/willamette-iron-steel/provenance.json#ev-willamette-01","name":"ev-willamette-01: litigation product id","description":"Pabco (Fibreboard) used as fill-in insulation on ships at Willamette in the 1960s and 1970s","identifier":{"@type":"PropertyValue","propertyID":"Asbestos Atlas Evidence ID","value":"ev-willamette-01"},"additionalProperty":[{"@type":"PropertyValue","propertyID":"Evidence tier","value":"Tier 3"},{"@type":"PropertyValue","propertyID":"Verification status","value":"disputed"}],"url":"https://law.justia.com/cases/california/court-of-appeal/4th/31/1409.html","citation":"Lineaweaver v. Plant Insulation Co., 31 Cal. App. 4th 1409, 37 Cal. Rptr. 2d 902 (1995)","temporalCoverage":"1966–1968","disambiguatingDescription":"Opinion names only \"Willamette Shipyard\" — no corporate name or state given. Identification as Willamette Iron & Steel Corporation of Portland, Oregon is an inference the source does not make. Needs corroborating source to confirm identity."}],"distribution":{"@type":"DataDownload","encodingFormat":"application/ld+json","contentUrl":"https://asbestosatlas.org/shipyard/willamette-iron-steel/provenance.json"},"citation":"Asbestos Atlas. (2026). Willamette Iron & Steel Corporation — Evidence Provenance Record. U.S. Shipyard Asbestos Exposure Dataset v1.6. https://doi.org/10.5281/zenodo.22313866","isBasedOn":{"@type":"CreativeWork","name":"Asbestos Atlas Methodology and Source Criteria","url":"https://asbestosatlas.org/methodology"}}