318 ILLINOIS STATE DAIRYMEN'S ASSOCIATION. 



Cost of Iowa Silo No. 3 at Rock Valley, Iowa. 



Size, 16x35 feet, inside. 



Excavation 3i/^ ft. deep — 



Labor of excavating and placing footing by contract.. $ 10.00 



Cement, 2i^ bbls. at $1.60 4.00 



Gravel, 2 cu. yds. at $2.00 delivered 4.00 | 18 . 00 



Wall and door frame — 



Labor of superintendent, 84 hrs. at 50c 42.00 



Mason, 71 hrs. at 40c 28-40 



Labor, 179 hrs. at 20c 35-80 



Blocks, 4x5x12, 4,000 at $17.50 per M 70.00 



Freight 20.88 



Hauling blocks 9.60 



Cement, 7 bbls. at $1.60 11.20 ^ 



Lime, 3 bbls. at $1.50 4.50 



Steel wire, 450 lbs. at $2,371/^ 10.69 



Steel, %-inch, 75 lbs., $1.31, cartage and freight 60c.. 1.91 



Sand, 4 yds- at $2.25 9.00 243.98 



Scaffold — 



Labor, superinten^lent, 19 hrs. at 50c 9.50 



Labor, unskilled, 16 hrs. at 25c 4.00 13 . 50 



Material — 



5 pes. 2x8x12. 



2 pes. 2x10x16. 

 4 pes. 2x4x6. 



6 pes. 2x12x14. 

 8 pes. 2x6x16. 



20 pes. 1x6x16—605 ft at 30c 18.15 



8 pins %xl6 inches 50 



4 wire stretchers at 75c 3.00 



3 lbs. spikes, 16d 10 35.25 



