TY  - BOOK
AU  - L E SPOCK
TI  - GUIDE TO THE STUDY OF ROCKS
U1  - GN552.SP61G2 
PY  - 1962///
CY  - NEW YORK
PB  - HARPER & PUBLISHERS
KW  - GUIDE TO THE STUDY OF ROCKS
N1  - MODERN BOOK HOUSE
ER  -