30 C.F.R. § 57.7055 Intersecting holes.
Title 30 - Mineral Resources
Holes shall not be drilled where there is a danger of intersecting a misfired hole or a hole containing explosives, blasting agents, or detonators. [56 FR 46517, Sept. 12, 1991; 56 FR 52193, Oct. 18, 1991]
Title 30: Mineral Resources
PART 57—SAFETY AND HEALTH STANDARDS—UNDERGROUND METAL AND NONMETAL MINES
Subpart F—Drilling and Rotary Jet Piercing
Drilling—Surface and Underground
§ 57.7055 Intersecting holes.
