30 BULLETIN 193, U. S. DEPARTMENT OF AGEICULTUKE. 
Drainage district No. 26: 
Excavation — 
935,700 cubic yards, at 8 cents per yard -. . $74, 856 
227,150 cubic yards, at 10 cents per yard 22, 715 
Pumping plant, complete 29, 500 
Engineering and legal expenses, 10 per cent ^ . . . 12, 707 
Total 139, 778 
Acres benefited in district, 15,830. 
Average cost per acre, $8.85. 
Annual cost of operation: Total, $6,125; per acre, $0.39. 
Drainage district No. 27: 
Excavation, 1,570,350 cubic yards, at 8 cents per yard 125, 628 
Pumping plant, complete 34, 000 
Engineering and legal expenses, 10 per cent 15, 963 
Total 175,591 
Acres benefited in district, 19,490. 
Average cost per acre, $9. 
Annual cost of operation: Total, $7,105; per acre $0.36 
Drainage district No. 28: 
Excavation — 
2,275,450 cubic yards, at 10 cents per yard 227, 545 
6,000 cubic yards, at 12 cents per yard 720 
Right of way for outlet, 26 acres, at $5 per acre 130 
Engineering and legal expenses, 10 per cent 22, 827 
Total 251, 222 
Acres benefited in district, 14,160 
Average cost per acre, $17.75 
Drainage district No. 29: 
Excavation — 
1,329,300 cubic yards, at 8 cents per yard 106, 344 
338,500 cubic yards, at 10 cents per yard 33, 850 
Pumping plant, complete 35, 000 
Engineering and legal expenses, 10 per cent 17, 519 
Total 192, 713 
Acres benefited in district, 19,930. 
Average cost per acre, $9.65, 
Annual cost of operation: Total, $7,275; per acre, $0.36. 
Drainage district No. 30: 
Excavation — 
1,183,550 cubic yards, at 8 cents per yard 94, 684 
318,500 cubic yards, at 10 cents per yard 31, 850 
Pumping plant, complete 31, 500 
Engineering and legal expenses, 10 per cent 15, 803 
Total 173, 837 
Acres benefited in district, 17,100. 
Average cost per acre, $10.15. 
Annual cost of operation: Total, $6,535; per acre, $0.38. 
