01833nam 2200457Ia 450 991069689930332120080721095454.0(CKB)5470000002381884(OCoLC)234303596(EXLCZ)99547000000238188420080721d2007 ua 0engurmn|||||||||txtrdacontentcrdamediacrrdacarrierEnvironmental effects of historical mining in the Animas River watershed, southwestern Colorado[electronic resource][Reston, Va.] :U.S. Dept. of the Interior, U.S. Geological Survey,[2007]4 unnumbered pages digital, PDF fileFact sheet ;2007-3051Title from title screen (viewed on July 18, 2008)."August 2007."Acid mine drainageAnimas River Watershed (Colo. and N.M.)Acid mine drainageColoradoSan Juan CountyMines and mineral resourcesEnvironmental aspectsAnimas River Watershed (Colo. and N.M.)Mines and mineral resourcesEnvironmental aspectsColoradoSan Juan CountyWaterPollutionAnimas River Watershed (Colo. and N.M.)WaterPollutionColoradoSan Juan CountyAcid mine drainageAcid mine drainageMines and mineral resourcesEnvironmental aspectsMines and mineral resourcesEnvironmental aspectsWaterPollutionWaterPollutionGeological Survey (U.S.)GPOGPOBOOK9910696899303321Environmental effects of historical mining in the Animas River watershed, southwestern Colorado3207130UNINA