TY  - BOOK
AU  - Bates, Robert L.
TI  - Geology of the industrial rocks and minerals 
SN  - 486622134
U1  - 553 DDC 21
PY  - 1969///
CY  - New York
PB  - Dover publications
KW  - Geology
KW  - Economic geology
KW  - Industrial mineral
KW  - Industrial mineral - United States
ER  -