00496nam a2200193 a 450000500170000002000180001708200160003510000210005124500200007225000200009226000320011230000390014450000510018360000080023463000180024263000300026085600060029085600060029620251203112614.0  a9788176533008  a553.24bTHO  aThomas, Larryd_  aCoal geologyb_  aWiley India ed.  aNewDelhibWiley Indiac2012  axi, 384 p.cill., mapsc24 cm.bPB  aIncludes bibliographical references and index.  bc_  aCoal--Geology  aEarth sciences - Geology.  f_  a_