{"id":"S85054179","label":"Geophysical instruments","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh85054179","normalized_label":"geophysical instruments","broader":["http://id.loc.gov/authorities/subjects/sh85101561","http://id.loc.gov/authorities/subjects/sh85118677"],"aliases":["Geophysics--Instruments","Instruments, Geophysical"],"source_identifier":"http://id.loc.gov/authorities/subjects/sh85054179","provider":"lcsh","revision":"3dc8a4ff62b8436d","taxonomy_revision":"f050b5d4780b1289","title":"Geophysical instruments","url":"/topics/S85054179","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"9511756636759409220","address_version":"morton4x16-v1","coordinates":[0,20,18251,35840],"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}