50 
BULLETIN 1067, U. S. DEPARTMENT OE AGRICULTURE. 
ered at pumping plants in the period 1912-1917 has been about 
4 cents per gallon or $1.68 per barrel, while kerosene has cost about 
1\ cents per gallon or $3.15 per barrel. Possibly kerosene in tank- 
car lots was purchased at a lower figure, but many plants have 
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tost of Fuel per Year to Pump Z9 Acre -Inches 
(Cost does nol Include is% for Fuel used in Jtorl/DQ, 
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Fig, 6.— Cost of fuel oil to pump 29 acre-inches. 
limited storage capacity and fuel is purchased in smaller quanti- 
ties. 
The cost of fuel has been assumed to be as shown in Table 40. 
