30 C.F.R. PART 881--SUBSIDENCE AND STRIP MINE REHABILITATION, APPALACHIA
TITLE 30--Mineral Resources
CHAPTER VII--OFFICE OF SURFACE MINING RECLAMATION AND ENFORCEMENT, DEPARTMENT OF THE INTERIOR
SUBCHAPTER R--ABANDONED MINE LAND RECLAMATION
PART 881--SUBSIDENCE AND STRIP MINE REHABILITATION, APPALACHIA
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