01357oam 2200409Ia 450 991069310050332120041012151458.0(CKB)5470000002358495(OCoLC)50728374ocm50728374(OCoLC)995470000002358495(EXLCZ)99547000000235849520021003d2002 ua 0engurcn||||||txtrdacontentcrdamediacrrdacarrierCoal extraction, environmental prediction[electronic resource][Reston, Va.] :U.S. Dept. of the Interior, U.S. Geological Survey,[2002]U.S.G.S. fact sheet ;073-02Title from title screen (viewed on Oct. 12, 2004).Authors: C Blaine Cecil, Susan J. Tewalt.Coal mines and miningEnvironmental aspectsAppalachian RegionAcid mine drainageAppalachian RegionCoal mines and miningEnvironmental aspectsAcid mine drainageCecil C. B1384265Tewalt Susan J1384266Geological Survey (U.S.)GISGISGPOBOOK9910693100503321Coal extraction, environmental prediction3430336UNINA