00314nam a22000977a 4500008004100000040005500041245004600096260005200142942000700194999001500201230314b        |||||||| |||| 00| 0 eng d  aNational Science LibrarycNational Science Library  aRecords of the geological survey of india  aDelhi: bThe Controller of Publications, c1975  cCR  c8825d8825