{"id":"S2006005758","label":"Seismic waves--Speed","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh2006005758","normalized_label":"seismic waves--speed","broader":["http://id.loc.gov/authorities/subjects/sh85126486"],"aliases":["Seismic velocity","Seismic wave velocity"],"source_identifier":"http://id.loc.gov/authorities/subjects/sh2006005758","provider":"lcsh","revision":"5e6fe8b947b311bb","taxonomy_revision":"f050b5d4780b1289","title":"Seismic waves--Speed","url":"/topics/S2006005758","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"10126488907979056740","address_version":"morton4x16-v1","coordinates":[0,478,17631,63488],"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}