30 C.F.R. § 77.1003 Benches.
Title 30 - Mineral Resources
To insure safe operation, the width and height of benches shall be governed by the type of equipment to be used and the operation to be performed.
Title 30: Mineral Resources
PART 77—MANDATORY SAFETY STANDARDS, SURFACE COAL MINES AND SURFACE WORK AREAS OF UNDERGROUND COAL MINES
Subpart K—Ground Control
§ 77.1003 Benches.
