{"id":"S2011003926","label":"Crumb rubber","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh2011003926","normalized_label":"crumb rubber","broader":["http://id.loc.gov/authorities/subjects/sh85115645","http://id.loc.gov/authorities/subjects/sh94003322"],"aliases":["Tire crumb rubber"],"source_identifier":"http://id.loc.gov/authorities/subjects/sh2011003926","provider":"lcsh","revision":"f644d611cd19394e","taxonomy_revision":"f050b5d4780b1289","title":"Crumb rubber","url":"/topics/S2011003926","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"886228389705687586","address_version":"morton4x16-v1","coordinates":[0,479,30192,22528],"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}