{"id":"S85110596","label":"Radioactive dating","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh85110596","normalized_label":"radioactive dating","broader":["http://id.loc.gov/authorities/subjects/sh85110664","http://id.loc.gov/authorities/subjects/sh90001338"],"aliases":["Age determination, Radiometric","Dating, Radioactive","Dating, Radiometric","Fission dating methods","Radiometric age determination","Radiometric dating"],"source_identifier":"http://id.loc.gov/authorities/subjects/sh85110596","provider":"lcsh","revision":"0478eb58e2abcba8","taxonomy_revision":"f050b5d4780b1289","title":"Radioactive dating","url":"/topics/S85110596","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"290552820665828868","address_version":"morton4x16-v1","coordinates":[0,20,19133,4096],"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}