{"id":"S2001004820","label":"Water well drilling","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh2001004820","normalized_label":"water well drilling","broader":["http://id.loc.gov/authorities/subjects/sh85015851"],"aliases":["Drilling, Water well","Water drilling","Well drilling, Water"],"source_identifier":"http://id.loc.gov/authorities/subjects/sh2001004820","provider":"lcsh","revision":"d507f198c799d6b5","taxonomy_revision":"f050b5d4780b1289","title":"Water well drilling","url":"/topics/S2001004820","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"579838754320164354","address_version":"morton4x16-v1","coordinates":[0,477,5028,20480],"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}