DRAINAGE OF JEFFEESON COUNTY, TEXAS. 29 



Drainage district No. 21: 

 Excavation — 



976,700 cubic yards, at 8 cents per yard $78, 136 



325,000 cubic yards, at 10 cents per yard 32, 500 



Pumping plant, complete 30, 500 



Engineering and legal expenses, 10 per cent 14, 114 



Total 155, 250 



Acres benefited in district, 16,820. 

 Average cost per acre, $9.25. 



Annual cost of operation: Total, $6,430; per acre, 10.38. 

 Drainage district No. 22: 

 Excavation — • 



523,200 cubic yards, at 8 cents per yard 41, 856 



577,400 cubic yards, at 10 cents per yard 57, 740 



Piunping plant, complete 24, 000 



Engineering and legal expenses, 10 per cent 12, 360 



Total 135, 956 



Acres benefited in district, 10,480. 

 Average cost per acre, $12.95. 



Aimual cost of operation: Total, $6,525; per acre, $0.62. 

 Drainage district No. 23: 

 Excavation — 



997,750 cubic yards, at 8 cents per yard 79, 820 



455,300 cubic yards, at 10 cents per yard 45, 530 



Bridges, etc., 2 bridges 1, 600 



Pumping plant, complete 28, 500 



Engineering and legal expenses, 10 per cent 15, 545 



Total 170, 995 



Acres benefited in district, 14,440. 

 Average cost per acre, $11.85. 



Annual cost of operation: Total, $5,830; per acre, $0.40. 

 Drainage district No. 24: 

 Excavation — 



1,536,850 cubic yards, at 8 cents per yard 122, 948 



36,400 cuVjic yards, at 10 cents per yard 3, 640 



Pumping plant, complete 35, 000 



Engineering and legal expenses, 10 per cent 16, 159 



Total 177, 747 



Acree benefited in district, 19,590. 

 Average cost per acre, $9.10. 



Annual cost of ojKjration: Total, $7,250; per acre, $0.37. 

 Drainage district No. 25: 

 Excavation — 



59,4(K) cubic yards, at 8 cent« {h.t yard 4, 752 



1,484,250 cubic yards, at 10 cents per yard 148,425 



33,6W <iiliic yards, at 1 2 cents per yard 4, 032 



Right rif way for outlrit, 36 acres, at $5 per acre ISO 



Enginr^ering an<l legal expenses, 10 per cent 15, 739 



Total 173, 128 



Acrf!H beiKifiUid in di.Htrict, 10,970. 

 Average cr*)t j^;r acre, $15.80. 



