TY  - BOOK
AU  - Gilluly,James
AU  - Waters,A.C.
AU  - Woodford,A.O.
AU  - Compton,Robert R.
TI  - Principles of geology
U1  -  550 
PY  - 1951///
CY  - San Francisco
PB  - W.H. Freeman
KW  - Geology
N1  - Includes index
ER  -