Concrete Silos 
A Booklet of Practical Infor- 
mation for the Farmer 
and the Rural 
Contractor 
PREPARED BY THE INFORMATION BUREAU 
UNIVERSAL P0RTLA;JD C?MENT-^a 
l' V\ Vi%j(/E V5-*Cents* 
PUBLISHED BY THE 
Universal Portland Cement Co. 
CHICAGO — PITTSBURGH — MINNEAPOLIS 
SEVENTH EDITION. 1014 
Copyright 1914, hy Universal Portland Cement Co. 
b-15-14—50M-D 
