{"id":"S85049586","label":"Fly ash","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh85049586","normalized_label":"fly ash","broader":["http://id.loc.gov/authorities/subjects/sh85027337","http://id.loc.gov/authorities/subjects/sh85145424"],"aliases":["Ash, Pulverized fuel","Flue dust","Fuel ash, Pulverized","Pulverized fuel ash"],"source_identifier":"http://id.loc.gov/authorities/subjects/sh85049586","provider":"lcsh","revision":"5ffbe92b6ce54488","taxonomy_revision":"f050b5d4780b1289","title":"Fly ash","url":"/topics/S85049586","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"10088208592902685252","address_version":"morton4x16-v1","coordinates":[0,20,18179,51200],"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}