{"id":"S92001865","label":"Trenchless construction","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh92001865","normalized_label":"trenchless construction","broader":["http://id.loc.gov/authorities/subjects/sh85138670"],"aliases":["Construction, Trenchless","Excavation, Trenchless","Trenchless excavation","Trenchless technology"],"source_identifier":"http://id.loc.gov/authorities/subjects/sh92001865","provider":"lcsh","revision":"0b7a3fbbfd198715","taxonomy_revision":"f050b5d4780b1289","title":"Trenchless construction","url":"/topics/S92001865","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"4954043445116551686","address_version":"morton4x16-v1","coordinates":[0,21,61273,9216],"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}