{"id":"S89006808","label":"Mid-ocean ridges","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh89006808","normalized_label":"mid-ocean ridges","broader":["http://id.loc.gov/authorities/subjects/sh85129498"],"aliases":["Mid-ocean ridge systems","Mid-ocean rises","Mid-oceanic ridges","Midocean ridges","Ocean ridges","Ridges, Mid-ocean","Ridges, Mid-oceanic","Ridges, Midoceanic","Ridges, Ocean","Rises, Mid-ocean"],"source_identifier":"http://id.loc.gov/authorities/subjects/sh89006808","provider":"lcsh","revision":"0380561631af9588","taxonomy_revision":"f050b5d4780b1289","title":"Mid-ocean ridges","url":"/topics/S89006808","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"631700217556779590","address_version":"morton4x16-v1","coordinates":[0,21,14475,24576],"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}