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