{"id":"S2001008318","label":"Headframes (Mining)","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh2001008318","normalized_label":"headframes (mining)","broader":["http://id.loc.gov/authorities/subjects/sh85085497"],"aliases":["Frames, Gallows (Mining)","Frames, Hoist (Mining)","Gallows frames (Mining)","Head stocks (Mining)","Headgear (Mining)","Hoist frames (Mining)","Stocks, Head (Mining)"],"source_identifier":"http://id.loc.gov/authorities/subjects/sh2001008318","provider":"lcsh","revision":"80b6e06304bf9c12","taxonomy_revision":"f050b5d4780b1289","title":"Headframes (Mining)","url":"/topics/S2001008318","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"9839380325745451586","address_version":"morton4x16-v1","coordinates":[0,477,5082,63488],"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}