00486nam a2200145Ia 4500003000400000020001500004082001700019100001300036245003700049250001800086260005300104300001000157650002300167653015000190SGT  a8174090320  a624.151bGAR  aGarg,S.K  aPhysical and engineering geology  a7th rev . Ed.  bKhanna Books Publishing Co. Ltd.aN. Delhic2012  a800p.  aCIVIL ENGINEERING   aINTRODUCTION TO THE SUBJECT,THE EARTH ON WHICH WE ARE LIVING,ROCKS OF THE EARTH'S CRUST,METAMORPHIC ROCKS,THE EXTERNAL GEOLOGICAL FORCES CAUSING,