1945 $950 $955 $960 $965 $970 
 
 
 
Figure 1.—Value of petroleum and total value of mineral production
in Arkansas. 
 122 MINERALS YEARBOOK, 1967 
 
 
 
250 
 
 
 
 
 
 
 
200 
 
 
 
U) 
 
a 
 
$50 
 
C 
0 
 
 
 
E 
 
$00 
-J 
C 
> 
 
 
 
 
50 
 
 
 
 
 
 
 
0