TY  - BOOK
AU  - Dolbear, Samuel Hood,
ED  - American Institute of Mining and Metallurgical Engineers.
TI  - Industrial minerals and rocks: nonmetallics other than fuels 
T2  - The Seeley W. Mudd series
AV  - TN145 .A5 1949
U1  - 552 
PY  - 1949///
CY  - New York
PB  - AIME
KW  - Mineralogy
KW  - Rocks
N1  - Includes bibliographical references and index
ER  -