28 BULLETIN 193, U. S. DEPARTMENT OF AGEICULTUKE. 



Drainage district No. 16: 

 Excavation — 



323, 100 cubic yards, at 8 cents per yard $25, 848 



657,700 cubic yards, at 10 cents per yard 65, 770 



Bridges, etc., 4 culverts 750 



Pumping plant, complete 45, 000 



Engineering and legal expenses,' 10 per cent 13, 737 



Total 151, 105 



Acres benefited in district, 11,220. 

 Average cost per acre, $13.45. 



Annual cost of operation: Total, $6,520; per acre, $0.58. 

 Drainage district No. 17: 

 Excavation — 



225,950 cubic yards, at 8 cents per yard 18, 076 



337,150 cubic yards, at 10 cents per yard 33, 715 



Taylors Bayou improvement 1, 215 



Pumping plant, complete 23, 000 



Engineering and legal expenses, 10 per cent 7, 601 



Total 83,607 



Acres benefited in district, 3,620. 

 Average cost per acre, $23.10. 



Annual cost of operation: Total, $3,745; per acre, $1.03. 

 Drainage district No. 18: 

 Excavation — • 



1,017,500 cubic yards, at 8 cents per yard 81, 400 



428,950 cubic yards, at 10 cents per yard 42, 895 



Taylors Bayoa improvement 9, 112 



Pumping plant, complete 39, 500 



Engineering and legal expenses, 10 per cent 17, 291 



Total 190, 198 



Acres benefited in district, 22,560. 

 Average cost per acre, $8.45. 



Annual cost of operation: Total, $8,045; per acre, $0.36. 

 Drainage district No. 19: 

 Excavation — 



174,340 cubic yards, at 8 cents per yard 13, 947 



227,400 cubic yards, at 10 cents per yard 22, 740 



Impro^dng Taylors Bayou _, 5, 637 



Pumping plant, complete 20, 500 



Engineering and legal expenses, 10 per cent. 6, 282 



Total 69, 106 



Acres benefited in district, 4,530. 

 Average cost per acre, $15.25. 



Annual cost of operation: Total, $3,950; per acre, $0.87. 

 Drainage district No. 20: 

 Excavation — ■ 



60,900 cubic yards, at 8 cents per yard 4, 872 



1,455,750 cubic yards, at 10 cents per yard 145, 575 



99,200 cubic yards, at 12 cents per yard 11, 904 



Improving Taylors Bayou 18, 228 



Right of way for outlet, 92 acres, at $5 per acre 460 



Engineering and legal expenses, 10 per cent 18, 104 



Total 199, 143 



Acres benefited in district, 15,400. 

 Average cost per acre, $12.95. 



