00316nam a2200121 a 450000500170000002000150001708200170003210000550004924500210010425000120012526000420013730000150017920251203091655.0  a0136696988  a551,bD, jud  aJudson, Sheldon, Kauffman, Marvin E., Don Leet, L.  aPhysical geology  a7th ed.  aEnglewood CliffsbPrentice-Hallc1987  a484p, 26cm