{"id":"S85081205","label":"Marine machinery--Corrosion","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh85081205","normalized_label":"marine machinery--corrosion","broader":[],"aliases":[],"source_identifier":"http://id.loc.gov/authorities/subjects/sh85081205","provider":"lcsh","revision":"675aa816fc03dac8","taxonomy_revision":"f050b5d4780b1289","title":"Marine machinery--Corrosion","url":"/topics/S85081205","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"10090394131106234884","address_version":"morton4x16-v1","coordinates":[0,20,18673,54272],"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}