{"id":"S85102371","label":"Pipe-laying machinery","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh85102371","normalized_label":"pipe-laying machinery","broader":["http://id.loc.gov/authorities/subjects/sh85079362"],"aliases":[],"source_identifier":"http://id.loc.gov/authorities/subjects/sh85102371","provider":"lcsh","revision":"73d4c95b2cb63c65","taxonomy_revision":"f050b5d4780b1289","title":"Pipe-laying machinery","url":"/topics/S85102371","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"9511822590214555136","address_version":"morton4x16-v1","coordinates":[0,20,19004,35840],"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}