TY  - JOUR
T1  - Talc and pyrophyllite in ...
CY  - Washington, D.C. :
CN  - I 28.136:
CN  - HD9585.T33
PB  - U.S. Dept. of the Interior, Bureau of Mines,
PP  - Washington, D.C. :
N1  - Not distributed to depository libraries.
N1  - Description based on: 1978; title from caption.
ID  - 157011
KW  - Talc industry
KW  - Soapstone
KW  - Pyrophyllite
TI  - Talc and pyrophyllite in ...
ER  -