{"id":"S85086210","label":"Mississippi River Valley","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh85086210","normalized_label":"mississippi river valley","broader":["http://id.loc.gov/authorities/subjects/sh85141908"],"aliases":["Mississippi Valley"],"source_identifier":"http://id.loc.gov/authorities/subjects/sh85086210","provider":"lcsh","revision":"a826a24ba55fff7c","taxonomy_revision":"f050b5d4780b1289","title":"Mississippi River Valley","url":"/topics/S85086210","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"288441499631354368","address_version":"morton4x16-v1","coordinates":[0,20,18752,2048],"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}