{"id":"S85054100","label":"Geology, Stratigraphic--Mississippian","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh85054100","normalized_label":"geology, stratigraphic--mississippian","broader":["http://id.loc.gov/authorities/subjects/sh85054090"],"aliases":["Lower Carboniferous Period","Mississippian Period"],"source_identifier":"http://id.loc.gov/authorities/subjects/sh85054100","provider":"lcsh","revision":"d9c7cb4caaf91a69","taxonomy_revision":"f050b5d4780b1289","title":"Geology, Stratigraphic--Mississippian","url":"/topics/S85054100","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"866947618440364608","address_version":"morton4x16-v1","coordinates":[0,20,18250,20480],"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}