TY  - HOUR
CN  - I 28.135/2:
CY  - Washington, D.C. :
ID  - 139930
KW  - Sodium compounds
KW  - Sodium sulphate industry
N1  - Title varies slightly.
N1  - Imprint varies: Washington, D.C., 19  -Nov. 1995; Reston, Va., Dec. 1995-
N1  - Distributed to depository libraries in microfiche, <Oct. 1987-June 1995>
N1  - Not distributed to depository libraries in a physical form, <1996->
N1  - Description based on: Oct. 1987; title from caption.
PB  - U.S. Dept. of the Interior, Bureau of Mines,
PP  - Washington, D.C. :
T1  - Soda ash and sodium sulfate
TI  - Soda ash and sodium sulfate
ER  -