{"id":"S91000740","label":"Seismic traveltime inversion","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh91000740","normalized_label":"seismic traveltime inversion","broader":["http://id.loc.gov/authorities/subjects/sh85067684","http://id.loc.gov/authorities/subjects/sh85119634"],"aliases":["Inversion method, Traveltime","Inversion, Seismic traveltime","Seismic travel-time inversion","Travel-time inversion method","Traveltime inversion method"],"source_identifier":"http://id.loc.gov/authorities/subjects/sh91000740","provider":"lcsh","revision":"10e4dd35e029742d","taxonomy_revision":"f050b5d4780b1289","title":"Seismic traveltime inversion","url":"/topics/S91000740","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"13856450428394686018","address_version":"morton4x16-v1","coordinates":[0,21,45630,36864],"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}