{"id":"S97003894","label":"Landfill final covers","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh97003894","normalized_label":"landfill final covers","broader":["http://id.loc.gov/authorities/subjects/sh2008000110","http://id.loc.gov/authorities/subjects/sh85117286"],"aliases":["Cover systems (Landfills)","Final covers (Landfills)","Sanitary landfills--Cover systems","Sanitary landfills--Final covers"],"source_identifier":"http://id.loc.gov/authorities/subjects/sh97003894","provider":"lcsh","revision":"ab5a402c6b65f5c0","taxonomy_revision":"f050b5d4780b1289","title":"Landfill final covers","url":"/topics/S97003894","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"9820239726047790630","address_version":"morton4x16-v1","coordinates":[0,23,8357,55296],"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}