{"id":"S85053331","label":"Gas-pipes--Corrosion","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh85053331","normalized_label":"gas-pipes--corrosion","broader":["http://id.loc.gov/authorities/subjects/sh85042162"],"aliases":[],"source_identifier":"http://id.loc.gov/authorities/subjects/sh85053331","provider":"lcsh","revision":"1865cf444327701f","taxonomy_revision":"f050b5d4780b1289","title":"Gas-pipes--Corrosion","url":"/topics/S85053331","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"864845352145405504","address_version":"morton4x16-v1","coordinates":[0,20,18238,19456],"answer_status":"Directory metadata; local answer requires separate source review","truth_status":"Subject descriptor, not a factual answer or a demonstrated knowledge gap","reviewed_answer":null}