{"id":"S85104542","label":"Pollution control equipment industry","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh85104542","normalized_label":"pollution control equipment industry","broader":["http://id.loc.gov/authorities/subjects/sh85104543"],"aliases":[],"source_identifier":"http://id.loc.gov/authorities/subjects/sh85104542","provider":"lcsh","revision":"80a1f078c8bed589","taxonomy_revision":"f050b5d4780b1289","title":"Pollution control equipment industry","url":"/topics/S85104542","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"903183106465744448","address_version":"morton4x16-v1","coordinates":[0,20,19038,30720],"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}