{"id":"S85145428","label":"Waste products as road materials","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh85145428","normalized_label":"waste products as road materials","broader":["http://id.loc.gov/authorities/subjects/sh85002188","http://id.loc.gov/authorities/subjects/sh85112020","http://id.loc.gov/authorities/subjects/sh85114476"],"aliases":[],"source_identifier":"http://id.loc.gov/authorities/subjects/sh85145428","provider":"lcsh","revision":"db171f27c4184672","taxonomy_revision":"f050b5d4780b1289","title":"Waste products as road materials","url":"/topics/S85145428","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"867017696200771076","address_version":"morton4x16-v1","coordinates":[0,20,19677,20480],"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}