{"id":"S2012001959","label":"Karst collapses","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh2012001959","normalized_label":"karst collapses","broader":["http://id.loc.gov/authorities/subjects/sh85054165","http://id.loc.gov/authorities/subjects/sh85129201"],"aliases":["Collapses of karst","Karst failures","Karstic collapses"],"source_identifier":"http://id.loc.gov/authorities/subjects/sh2012001959","provider":"lcsh","revision":"72b69729f09e40ac","taxonomy_revision":"f050b5d4780b1289","title":"Karst collapses","url":"/topics/S2012001959","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"13856599972273087074","address_version":"morton4x16-v1","coordinates":[0,479,45786,39936],"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}