s. 
Durui 
. 
Cost 
Grade l 
Grade 
j 
I 
1 
.' 
i 
j 
. I 
...... 
" 
■ 
1. . . 
' 1 
1....- 
\ 
.. 
| 
i 
- 
1" 
[ # 
1 
■ • 
i 
i 
■ 
1 
J 
•1 
. ! 
13< 
1432°— 19. 
RECC 
Rye. 
>ockage. 
Net. 
1 
1 
l 
1 
! 

