{"id":"S2008007271","label":"Natural nuclear reactors","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh2008007271","normalized_label":"natural nuclear reactors","broader":["http://id.loc.gov/authorities/subjects/sh85093071"],"aliases":["Fission reactors, Natural","Natural fission reactors","Natural nuclear fission reactors","Natural reactors","Nuclear fission reactors, Natural"],"source_identifier":"http://id.loc.gov/authorities/subjects/sh2008007271","provider":"lcsh","revision":"7b0f5a581b145108","taxonomy_revision":"f050b5d4780b1289","title":"Natural nuclear reactors","url":"/topics/S2008007271","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"13856674755102532132","address_version":"morton4x16-v1","coordinates":[0,478,48905,39936],"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}