30 C.F.R. § 819.17 Auger mining: Subsidence protection.
Title 30 - Mineral Resources
Auger mining shall be conducted in accordance with the requirements of §817.121 (a) and (c) of this chapter.
Title 30: Mineral Resources
PART 819—SPECIAL PERMANENT PROGRAM PERFORMANCE STANDARDS-AUGER MINING
§ 819.17 Auger mining: Subsidence protection.
