{"id":"S2002007579","label":"Mars (Planet)--Crust","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh2002007579","normalized_label":"mars (planet)--crust","broader":[],"aliases":["Crust of Mars","Martian crust"],"source_identifier":"http://id.loc.gov/authorities/subjects/sh2002007579","provider":"lcsh","revision":"235b64ac821d49e3","taxonomy_revision":"f050b5d4780b1289","title":"Mars (Planet)--Crust","url":"/topics/S2002007579","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"901995369263948290","address_version":"morton4x16-v1","coordinates":[0,477,20696,27648],"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}