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Bureau of Mines / Minerals yearbook: Metals, minerals, and fuels 1972
Year 1972, Volume 1 (1972)

Ampian, Sarkis G.
Clays,   pp. 301-327 ff. PDF (2.9 MB)


Page 310

Figure 1.—Kaolin sold or used by domestic producers for specified uses.
3,000 
0 
 1963 1973 1975 
Figure 2.—Bentonite sold or used by domestic producers for specified
uses. 
 310 MINERALS YEARBOOK, 1972 
6,000 
5,000 
U) 
C 
0 
4,000 
0 
U) 
.u 
C 
~ 3,000 
0 
z 
2,000 
4 
1,000 
U) 
C 
0 
0 
.C 
U) 
.~ 
C 
0 
U) 
2 
Ui 
Iz 
0 
Iz 
UI 
09 


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