{"id":"S92006717","label":"Chemicals--Underground storage","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh92006717","normalized_label":"chemicals--underground storage","broader":["http://id.loc.gov/authorities/subjects/sh85139598","http://id.loc.gov/authorities/subjects/sh92006718"],"aliases":[],"source_identifier":"http://id.loc.gov/authorities/subjects/sh92006717","provider":"lcsh","revision":"edf7893cc8199466","taxonomy_revision":"f050b5d4780b1289","title":"Chemicals--Underground storage","url":"/topics/S92006717","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"14756128035098985986","address_version":"morton4x16-v1","coordinates":[0,21,61348,62464],"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}