30 C.F.R. § 56.7055 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 46508, Sept. 12, 1991]
Title 30: Mineral Resources
PART 56—SAFETY AND HEALTH STANDARDS—SURFACE METAL AND NONMETAL MINES
Subpart F—Drilling and Rotary Jet Piercing
Drilling
§ 56.7055 Intersecting holes.
