TY  - BOOK
AU  - Graham,Ian
TI  - Rocks: a resource our world depends on 
T2  - Earth's Precious Resources
SN  - 0431115532
PY  - 2004///
CY  - Oxford
PB  - Heinemann Library
KW  - Rocks
KW  - Juvenile Literature
KW  - sears
KW  - Stone Industry and Trade
N1  - Includes glossary; Includes index
ER  -