igo2. 



FORESTRY AND IRRIGATION. 



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resulted from the necessitj' of using such 

 machinery which happens to be at hand 

 or easily procurable. 



For use with a threshing engine the 

 most efficient pump is centrifugal. One 

 of these can be purchased at short notice 

 from dealers in machinery. Before 

 ordering a pump, the depth to water in 

 the well or creek nuist be known, as well 

 as the total lift and the power of the 

 engine. When these and .some other 



owner found that he could not rely upon 

 an irrigation ditch and resorted to the.se 

 means of obtaining a needed supply. 

 The success attained with these devices 

 has been such that the owners hesitate 

 to abandon them, even for improved 

 systems of ditches. 



The machine shown in the view is an 

 i8-hor.se powder Hercules gasoline en- 

 gine. It uses 22 gallons of distillate, 

 co.sting 105^ cents a gallon, for a work- 



PORTABLE PUMPING PT,.\NT IN CAPAY VAI.LEV, CALIFORNIA. 



details are settled upon, a pump can be 

 ordered of such size as to be best adapted 

 for the situation. 



The accompanying figure shows an 

 engine arranged with a centrifugal 

 pump upon a platform, the whole being 

 mounted upon heavy wagon wheels, so 

 that the pumping plant can be hauled 

 from point to point. Flexible suction 

 and delivery pipes are connected, so 

 that water can be drawni from a creek 

 or well and carried b}^ the shortest wa}' 

 to the fields. 



The pumping plant illustrated is one 

 of many utilized by the farmers in Cali- 

 fornia. In this particular instance the 



ing da}^ of ten hours, or in all $2.33 per 

 day. The centrifugal pump to which 

 the engine is belted cost $150, and has 

 a capacity of 700 gallons a minute, or 

 nearly 1.4 cubic feet per .second. The 

 water is pumped directly from the creek, 

 and is forced through an eight-inch pipe 

 to the fields to be irrigated, being often 

 elevated 55 feet. The average cost of 

 operation has been found to be $1 an 

 acre of land irrigated. 



Another portable pumping plant is 

 shown in the view taken on Cache 

 Creek, California. In the background 

 is an engine, extending from which is a 

 belt connected to a centrifugal pump 



