{"id":"S2007009139","label":"Cosmogenic nuclides","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh2007009139","normalized_label":"cosmogenic nuclides","broader":["http://id.loc.gov/authorities/subjects/sh85093163"],"aliases":["Cosmogenic isotopes"],"source_identifier":"http://id.loc.gov/authorities/subjects/sh2007009139","provider":"lcsh","revision":"c82126e03dd65524","taxonomy_revision":"f050b5d4780b1289","title":"Cosmogenic nuclides","url":"/topics/S2007009139","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"14411668625205650980","address_version":"morton4x16-v1","coordinates":[0,478,33309,52224],"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}