{"id":"S85112447","label":"Reinforced concrete--Corrosion","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh85112447","normalized_label":"reinforced concrete--corrosion","broader":[],"aliases":["Reinforced concrete construction--Corrosion"],"source_identifier":"http://id.loc.gov/authorities/subjects/sh85112447","provider":"lcsh","revision":"08768addba3efcbe","taxonomy_revision":"f050b5d4780b1289","title":"Reinforced concrete--Corrosion","url":"/topics/S85112447","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"10126563940487283204","address_version":"morton4x16-v1","coordinates":[0,20,19161,64512],"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}