{"id":"S2002000159","label":"Mars (Planet)--Lava flows","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh2002000159","normalized_label":"mars (planet)--lava flows","broader":["http://id.loc.gov/authorities/subjects/sh00003834","http://id.loc.gov/authorities/subjects/sh93007829"],"aliases":["Martian lava flows"],"source_identifier":"http://id.loc.gov/authorities/subjects/sh2002000159","provider":"lcsh","revision":"1664cc1dc9e84ffc","taxonomy_revision":"f050b5d4780b1289","title":"Mars (Planet)--Lava flows","url":"/topics/S2002000159","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"904247168007808514","address_version":"morton4x16-v1","coordinates":[0,477,20580,31744],"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}