{"data":{"id":"us/30-cfr-77.309-1","jurisdiction":"us","citation":"30 CFR 77.309-1","heading":"-1 Control stations; location.","body":"Thermal dryer system control stations constructed after June 30, 1971, shall be installed at a location which will give to the operator of the control station the widest field of visibility of the system and equipment.","path":["Title 30—Mineral Resources","CHAPTER I—MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR","SUBCHAPTER O—COAL MINE SAFETY AND HEALTH","PART 77—MANDATORY SAFETY STANDARDS, SURFACE COAL MINES AND SURFACE WORK AREAS OF UNDERGROUND COAL MINES","Subpart D—Thermal Dryers"],"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":"e72cf2f429e4a6e0198a6c913775c3f895268135abc9411db9b02f8f6c26f2a0","source_id":"us-cfr","stale":true,"prev":"us/30-cfr-77.309","next":"us/30-cfr-77.310"},"notice":"GroundRules: Original legal text. Not legal advice."}