TY  - BOOK
AU  - Pearl,Richard M.
TI  - How to know the minerals and rocks
U1  - 553 
PY  - 1957///
CY  - New York
PB  - New American Library
KW  - Geology
KW  - Minerology
KW  - Rocks
KW  - Identification
N1  - Includes index
ER  -