{"id":"S00006897","label":"Underground storage tanks","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh00006897","normalized_label":"underground storage tanks","broader":["http://id.loc.gov/authorities/subjects/sh85128365","http://id.loc.gov/authorities/subjects/sh85139598"],"aliases":["Fuel storage tanks, Underground","USTs (Underground storage tanks)","Underground fuel storage tanks"],"source_identifier":"http://id.loc.gov/authorities/subjects/sh00006897","provider":"lcsh","revision":"fd529421258fd324","taxonomy_revision":"f050b5d4780b1289","title":"Underground storage tanks","url":"/topics/S00006897","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"9799841585322541124","address_version":"morton4x16-v1","coordinates":[0,0,107,50176],"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}