{"id":"S2015003068","label":"Ultrasonics in mining","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh2015003068","normalized_label":"ultrasonics in mining","broader":["http://id.loc.gov/authorities/subjects/sh85085712"],"aliases":[],"source_identifier":"http://id.loc.gov/authorities/subjects/sh2015003068","provider":"lcsh","revision":"e1ab3acea93a1d8c","taxonomy_revision":"f050b5d4780b1289","title":"Ultrasonics in mining","url":"/topics/S2015003068","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"10144428813436585024","address_version":"morton4x16-v1","coordinates":[0,480,27142,61440],"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}