{"id":"S85100399","label":"Petroleum--Underground storage","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh85100399","normalized_label":"petroleum--underground storage","broader":["http://id.loc.gov/authorities/subjects/sh85100392","http://id.loc.gov/authorities/subjects/sh85139598"],"aliases":[],"source_identifier":"http://id.loc.gov/authorities/subjects/sh85100399","provider":"lcsh","revision":"92af38c8504abd4b","taxonomy_revision":"f050b5d4780b1289","title":"Petroleum--Underground storage","url":"/topics/S85100399","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"9550103187043010052","address_version":"morton4x16-v1","coordinates":[0,20,18973,48128],"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}