ElvECTRIClTY IN IRRIGATION. 449 



COST OF POWER-HOUSE 



Two 500 horse-power dynamos at $7,000 $14,000 



Two 500 horse-power engines at $4,000 8,000 



Five 250 ho/se-power boilers at $1,800 9,000 



Foundations, etc 2,000 



Buildings and well 4,000 



Total cost of power-house $37,000 



One thousand horse-power less fifteen per cent, loss 

 in transmission, etc., would be 850 horse-power adlual 

 service given. Eight hundred and fifty horse-power 

 will run thirty-four twenty-five horse-power motors. 

 Three hundred and seventy-one acres times thirty-four 

 equals 12,614 acres irrigated by 1,000 horse-power 

 electric plant. 



COST OF EQUIPMENT AND LAND 



Thirty-four wells at $300 each $10,200 



Thirty-four pumps at $150 each 5. 100 



Thirty-four motors at $300 each 10,200 



One thousand poles at $2 each 2,000 



Copper wire 5.000 



Total cost of equipment $32,500 



Cost of machinery an acre, including plant $5'5i 



Estimated cost of ditches and reservoir an acre . . . 3.00 

 Estimated original cost of land an acre 5-oo 



Total cost for each acre $13-51 



The value of 12,614 acres well watered at $50 is 

 $630,700. The cost of 1 2,614 acres and plant at $13.51 

 equals $170,415.14, making a gain in valuation of 



