{"id":"S88006754","label":"Coalbed methane drainage--Rotary drilling","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh88006754","normalized_label":"coalbed methane drainage--rotary drilling","broader":["http://id.loc.gov/authorities/subjects/sh88006755"],"aliases":[],"source_identifier":"http://id.loc.gov/authorities/subjects/sh88006754","provider":"lcsh","revision":"9c2cd0a838551714","taxonomy_revision":"f050b5d4780b1289","title":"Coalbed methane drainage--Rotary drilling","url":"/topics/S88006754","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"14142640129214382596","address_version":"morton4x16-v1","coordinates":[0,20,64385,34816],"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}