00303nam a2200109 a 450000500170000008200150001710000190003224500560005126000310010730000230013863000320016120251202164309.0  a550.3bPAR  aParker,Sybil P  aHandbook of Mcgrawhill  dictionary of earth science  aNew YorkbMcgrawhillc1984  a837 p.c24 cm.bHB  aDictionary of earth science