Bui. 1451, U. S. Dept. of Agriculture 
Plate 10 
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Use of Chemicals as Herbicides Practiced for Many Years 
A.— Base of a barberry bush killed with sodium-arsenite Solution. The area of dead grass and 
weeds is outlined 
B.— A barberry bush killed with salt in a wood lot near Gurnee, Lake County. 111. This bush 
is typical of those treated in this area 
