30 BULLETIN 193^ U. S. DEPARTMENT OF AGRICULTTJEE. 



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. 



