18 The Colorado Experiment Station. 
is any advantage over a thick one, they may have some merit. When 
one builds something permanent, it seems it would be advisable to 
get away from hoops which may cause trouble. 
Brick Silo on the Farm of Nelson Bros., Pueblo, Colo. Silo 16x32 cost 
$3 50 . Brick used was second-hand within two hundred 
yards of the silo site. (Photo by Barr.) 
Brick Silo .—When brick can be obtained cheaply, a very good 
silo can be built at a moderate cost. Estimates show that when 
brick sells for $8.oo per thousand, a brick silo costs about $4.00 
per ton capacity. Silos are being built both out of ordinary bride 
and hollow brick. Aside from the high cost, they are a very desir¬ 
able silo. 
Vitrified Hollow Tile Silo .—A silo made of vitrified hollow 
tile of good quality, reinforced between every course of tile with 
steel, and properly laid up, might well be pronounced the best silo 
made. It embodies every factor which goes to make a perfect silo. 
However, the cost is almost prohibitive to all but the well-to-do or 
wealthy farmer. In a ioo-ton capacity size one company quotes 
a price of practically $4.50 per ton capacity f. o. b. buyer’s station. 
To this would have to be added the cost of foundation, erection, 
roof and chute. This would run the cost up to nearly $5.50 per 
ton capacity for a silo of ioo-ton capacity. 
Stone Silo .—Thus far but one stone silo has been built in the 
state. This proved a very expensive structure, although stone was 
