{"id":"S85114653","label":"Rock bolts","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh85114653","normalized_label":"rock bolts","broader":["http://id.loc.gov/authorities/subjects/sh85004857","http://id.loc.gov/authorities/subjects/sh85051049","http://id.loc.gov/authorities/subjects/sh85114673"],"aliases":["Anchors, Rock","Bolts, Rock","Rock anchors"],"source_identifier":"http://id.loc.gov/authorities/subjects/sh85114653","provider":"lcsh","revision":"58d8ed3351235667","taxonomy_revision":"f050b5d4780b1289","title":"Rock bolts","url":"/topics/S85114653","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"903051166148347392","address_version":"morton4x16-v1","coordinates":[0,20,19196,29696],"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}