00434cam a22001572  4500001001100000005001700011008004100028020001500069040000800084100002100092245005400113260005100167300002300218650001300241050002200254000001612220140825164635.0090512s1990    xx            000 0 eng d  a003031139X  aPUL1 aLevin, Harold L.10aContemporary physical geology /cHarold L. Levin.  aChicago :bSaunders College Publishing,c1990.  a623  p. ;c22  cm. 0aGeology.  aQE28.2b.L48 1990