TY  - BOOK
AU  - Shelton,John S.
AU  - Shelton,Hal
TI  - Geology illustrated
T2  - Series of books in geology
SN  - 0716702290
AV  - QE26 
U1  - 550 
PY  - 1966///
CY  - San Francisco
PB  - W.H. Freeman
KW  - Geology
N1  - Bibliography: p. 425
ER  -