TY  - BOOK
AU  - Comfort,Iris Tracy
TI  - Earth treasures: rocks and minerals 
PY  - 1964///
CY  - Englewood Cliffs, N.J.
PB  - Prentice-Hall
KW  - Rocks
KW  - Juvenile literature
KW  - Mineralogy
N2  - Discusses the formation, properties, and uses of different kinds of rocks and minerals
ER  -