24 BULLETIN 347, U. S. DEPARTMENT OF AGRICULTURE. 
Form 16. 
United States Department of Agriculture, 
Office of Public Roads and Rural Engineering, 
Washington, D. C. 
Dear Sir: 
Your sample of , No. 
from 
has been received and will be tested in the order of its arrival. 
Very truly yours, 
,191 
Remarks. 
Director. 
