00422nam a22001457a 4500008004100000020001800041020001500059082000800074245005700082260005100139300002300190500002300213650001900236700002100255120517t        xxu||||| |||| 00| 0 eng d  a9780030506093  a0030506093  a55000aModern earth science/cby Robert J. Sager ... et al.  aNew York :bHolt, Rinehart and Winston,c1998.  axxi, 714p. :bill.  aIncludes an index   aEarth science 1 aSager, Robert J.