01451nam 2200397 a 450 991069701010332120230902161942.0(CKB)5470000002384805(OCoLC)613705202(EXLCZ)99547000000238480520100512d2010 ua 0engurmn|||||||||txtrdacontentcrdamediacrrdacarrierSurface coal mining[electronic resource] financial assurances for, and long-term oversight of, mines with valley fills in four appalachian states : report to congressional requesters[Rev. ed.][Washington, D.C.] :U.S. Govt. Accountability Office,[2010]1 online resource (ii, 63 pages) color illustrationsTitle from PDF title screen (GAO, viewed May 4, 2010)."January 2010."Includes errata statement."GAO-10-206."Includes bibliographical references.Surface coal mining Coal mines and miningAppalachian RegionAbandoned mined lands reclamationLaw and legislationUnited StatesCoal mines and miningAbandoned mined lands reclamationLaw and legislationGPOGPOBOOK9910697010103321Surface coal mining3510468UNINA