{"id":"S2014001106","label":"Surface waves (Seismology)","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh2014001106","normalized_label":"surface waves (seismology)","broader":["http://id.loc.gov/authorities/subjects/sh85119630"],"aliases":[],"source_identifier":"http://id.loc.gov/authorities/subjects/sh2014001106","provider":"lcsh","revision":"9884eb3aed4684ad","taxonomy_revision":"f050b5d4780b1289","title":"Surface waves (Seismology)","url":"/topics/S2014001106","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"594690665395536964","address_version":"morton4x16-v1","coordinates":[0,480,11487,18432],"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}