Bul. 113, Bureau of Chemistry, U. S, Dept. of Agriculture. PLATE III. 
ie 
gerens. 
p epLcewnanh aa eet 
i 
; 
1 
t 
4 
* 
a 
4 
4 
View ABouT 2 MILES SOUTH OF KESWICK SMELTER, NEAR REDDING, CAL. 
