VI cover 40 feet on each side of the pipe. 



As planned, these pipes will run longiti lly 

 with the beds, fed at either end of the area bj- inch 



from the 4-inch main. 3The perforated pipe will 

 oed from Itr to 1 inch at the proper distance from 

 oh end, to maintain an oven pressure, to the center of 

 the area. The laterrl ice :ain will "be "buried, to 



clear the surface of the grour m permanent piping:, 

 the spraying pi, on 1-foot poets, BO the streams 



will clear the seedlings, and keep tbt perforation* from 

 beoor logged by "being trampled on. 



sprinkling fjysten oi this kind will lessen 

 oosts considerably, for while one man is kept constantly 



rk watering the trees under the present system, 

 under the overhead all that is needed is the turning on 

 of the taps in the evening, and letting them run until 

 the seedlin ve received sufficient moisture. l ;1 r 



will also enable us t< nkle in the cool of the evening, 



instead of in the hot sun, V7hieh, although it has not been 

 proven by experiments to h; ve an ill effect, theoretically 

 is injurious to the young growth. 



At the lov/er enc of the 4-inch main, are lied 



two - inch gate -valve tups, A few feet fr is a 



large reel containing ; 00 feet of -inch mill hose in 50- 

 foot lengths, set in a hose house that can "be turnec about 

 on a swivel and unreeled in any direction and coupled to 



