{"id":"S2008000110","label":"Engineered barrier systems (Waste disposal)","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh2008000110","normalized_label":"engineered barrier systems (waste disposal)","broader":["http://id.loc.gov/authorities/subjects/sh85145410"],"aliases":["Barrier systems (Waste disposal)","Engineered barriers (Waste disposal)","Engineered waste containment barriers"],"source_identifier":"http://id.loc.gov/authorities/subjects/sh2008000110","provider":"lcsh","revision":"d9cd7121506c3b64","taxonomy_revision":"f050b5d4780b1289","title":"Engineered barrier systems (Waste disposal)","url":"/topics/S2008000110","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"13892694739922608676","address_version":"morton4x16-v1","coordinates":[0,478,48793,47104],"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}