{"id":"S2008008215","label":"Prestressed concrete bridges--Floors--Cathodic protection","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh2008008215","normalized_label":"prestressed concrete bridges--floors--cathodic protection","broader":["http://id.loc.gov/authorities/subjects/sh85021038"],"aliases":[],"source_identifier":"http://id.loc.gov/authorities/subjects/sh2008008215","provider":"lcsh","revision":"c7046d7a797d2d4f","taxonomy_revision":"f050b5d4780b1289","title":"Prestressed concrete bridges--Floors--Cathodic protection","url":"/topics/S2008008215","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"5209763470551441952","address_version":"morton4x16-v1","coordinates":[0,478,48920,23552],"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}