{"data":{"id":"us/30-cfr-75.201","jurisdiction":"us","citation":"30 CFR 75.201","heading":"Definitions.","body":"Automated temporary roof support (ATRS) system. A device to provide temporary roof support from a location where the equipment operator is protected from roof falls.\nPillar recovery. Any reduction in pillar size during retreat mining.","path":["Title 30—Mineral Resources","CHAPTER I—MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR","SUBCHAPTER O—COAL MINE SAFETY AND HEALTH","PART 75—MANDATORY SAFETY STANDARDS—UNDERGROUND COAL MINES","Subpart C—Roof Support"],"source_url":"https://www.ecfr.gov/api/versioner/v1/full/2026-08-25/title-30.xml","current_through":"2026-08-25","vintage":"","retrieved_at":"2026-08-27T02:25:24Z","sha256":"b79de93d930abbdc29baf445df9fc7bfa734b5d990f0958913af2d89ce7355bd","source_id":"us-cfr","stale":true,"prev":"us/30-cfr-75.200","next":"us/30-cfr-75.202"},"notice":"GroundRules: Original legal text. Not legal advice."}