{"id":"S94007559","label":"Soils--Polycyclic aromatic hydrocarbon content","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh94007559","normalized_label":"soils--polycyclic aromatic hydrocarbon content","broader":["http://id.loc.gov/authorities/subjects/sh85104606"],"aliases":[],"source_identifier":"http://id.loc.gov/authorities/subjects/sh94007559","provider":"lcsh","revision":"0930d5f7ed7264d0","taxonomy_revision":"f050b5d4780b1289","title":"Soils--Polycyclic aromatic hydrocarbon content","url":"/topics/S94007559","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"308716495121286688","address_version":"morton4x16-v1","coordinates":[0,22,27076,7168],"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}