01309omm 2200397Ia 450 991069202290332120050802113827.0(CKB)5470000002351198(OCoLC)53130387ocm53130387(OCoLC)995470000002351198(EXLCZ)99547000000235119820031002d1992 ua engurcna|||||zzzrdacontentcrdamediacrrdacarrierSummitville mine[electronic resource][Edison, N.J.] :[United States, Environmental Response Team] :Environmental Response Television,[1992?]Documentary with transcript.Viewed on July 18, 2003.1 video file (10 min., 39 sec.) : sd., col.Copyright date illegible.Mine shaftsEnvironmental aspectsColoradoWaterPollutionColoradoPreventionMine shaftsEnvironmental aspectsWaterPollutionPrevention.United States.Environmental Response Team.Environmental Response Television.GPOGPOBOOK9910692022903321Summitville mine3098115UNINA