{"id":"S2020001061","label":"Middle Miocene Climatic Optimum","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh2020001061","normalized_label":"middle miocene climatic optimum","broader":["http://id.loc.gov/authorities/subjects/sh2020001050"],"aliases":["MMCO (Middle Miocene Climatic Optimum)","Mid-Miocene Climatic Optimum"],"source_identifier":"http://id.loc.gov/authorities/subjects/sh2020001061","provider":"lcsh","revision":"01ba9813f161f506","taxonomy_revision":"f050b5d4780b1289","title":"Middle Miocene Climatic Optimum","url":"/topics/S2020001061","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"13838515221060387842","address_version":"morton4x16-v1","coordinates":[0,481,39700,37888],"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}