01328nam 2200373 a 450 991070208980332120120808102235.0(CKB)5470000002423226(OCoLC)805397107(EXLCZ)99547000000242322620120808d2012 ua 0engurmn|||||||||txtrdacontentcrdamediacrrdacarrierPhosphate mining[electronic resource] oversight has strengthened, but financial assurances and coordination still need improvement : report to congressional requesters[Washington, D.C.] :U.S. Govt. Accountability Office,[2012]1 online resource (iii, 61 pages) color illustrations, color mapTitle from PDF title screen (viewed July 16, 2012)."May 2012.""GAO-12-505."Includes bibliographical references.Phosphate mining Phosphate mines and miningLaw and legislationUnited StatesPublic landsUnited StatesPhosphate mines and miningLaw and legislationPublic landsGPOGPOBOOK9910702089803321Phosphate mining3520390UNINA