{"id":"S2010012633","label":"Alkaline earth ions","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh2010012633","normalized_label":"alkaline earth ions","broader":["http://id.loc.gov/authorities/subjects/sh85084061"],"aliases":["Alkaline earth metal ions"],"source_identifier":"http://id.loc.gov/authorities/subjects/sh2010012633","provider":"lcsh","revision":"bee9c1d79a2d0cfc","taxonomy_revision":"f050b5d4780b1289","title":"Alkaline earth ions","url":"/topics/S2010012633","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"631709038987601510","address_version":"morton4x16-v1","coordinates":[0,479,14703,25600],"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}