00299nam a2200109Ia 4500082002100000100004600021245005800067260004000125300001400165500000500179700000500184  a338.272bIn39.CI  aIndia. Industry and Supply, Ministry of-.  aThe coal industry; report of the working party for-b  aDelhibManager of Publicationc1951  aiv, 188p.  a  a