The barn on the Twenty-acre Demonstration Dairy Farm was built this large, as it was thought it might be desired at some future time to increase the size of the farm and herd, and the barn could easily be changed to accommodate a larger herd by simply enlarging the silo, without rebuilding the barn. [Illustration: FIG. 25. SHOWING HOW THIS 60-FOOT BARN MAY BE ARRANGED TO ACCOMMODATE 40 COWS IN STALLS. TO SUPPLY THIS SIZED HERD AND THE NECESSARY YOUNG STOCK WITH SILAGE FOR EIGHT MONTHS WOULD REQUIRE A 370-TON SILO, OR ONE 18 FEET IN DIAMETER AND 56 FEET DEEP; WITH A SEVEN-FOOT FEED ALLEY AND A 2-1/2-FOOT MANGER, THE CIRCLE AT THE STANCHIONS WOULD BE 38 FEET IN DIAMETER, OR 119-1/3 FEET IN CIRCUMFERENCE; ALLOWING 4-1/4 FEET FOR TWO PASSAGE WAYS, THE STALLS WOULD BE 2 FEET 10-1/2 INCHES WIDE AT THE STANCHION, AND 3 FEET 6 INCHES AT THE DROP.] ITEMIZED COST OF THIS ROUND BARN Excavating, foundation, and first story brick wall $904.00 Lumber: 149 pieces, 1 × 4 × 16 Y. P. 31 " 1 × 4 × 14 Cypress 16 " 1 × 4 × 12 " 165 " 1 × 6 × 16 Y. P. 17 " 1 × 6 × 14 " 226 " 2 × 4 × 12 " 20 " 2 × 4 × 16 " 6 " 2 × 4 × 14 " 15 " 4 × 4 × 14 " 120 " 2 × 12 × 16 " 23 " 2 × 12 × 14 " 100 " 2 × 6 × 20 " 144 " 2 × 6 × 16 " 67 " 2 × 6 × 18 " 4 " 2 × 6 × 26 " 60 " 2 × 6 × 12 " 30 " 2 × 6 × 22 " 4 " 2 × 6 × 24 " 6 " 2 × 8 × 10 " 9 " 2 × 8 × 16 " 4 " 2 × 10 × 14 " 11 " 2 × 10 × 12 " 1 " 2 × 10 × 22 " 1 " 1 × 10 × 12 " 1 " 1 × 10 × 14 Cypress 2 " 1 × 12 × 14 " 22 " 1-1/8 × 8 × 10 Cyp. S2S 2 " 1 × 1-1/8 × 12 × 14 " 2 " 1 × 1-1/8 × 12 × 16 " 6000 feet of 8-inch ship lap 3150 feet of 10-inch ship lap 71 M 5/2 red cedar shingles 165 Lineal feet of 2-inch Cr. molding 240 Lineal feet of Cr. molding 270 feet of 4-inch Y. P. S1S 4000 feet of 6-inch rough pine 62 feet of 3/8-inch Y. P. Ceiling 850 feet of 6-inch No. 1 flooring 230 feet of 6-inch fence flooring 56 lineal feet of 1/2 × 3-inch battening 32 lineal feet of lattice 444 lineal feet of 4-inch cypress 3 10-foot cedar posts Total cost of lumber $1,313.63