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Field for irrigation in Inuniil cliniulcs ' 



Topography 8 



Rainfall 8 



Water supply 9 



Meadow irrigation 10 



Lancaster County 12 



Berks County 12 



Lolii<jh County 13 



Xorthanipton County 14 



Irrigation of truck farms 15 



Detailed descriptions of irrigation plants - 15 



Maryland 15 



Pennsylvania •- 16 



New Jersey 22 



New York 33 



Massachusetts 37 



Rhode Island 42 



Methods of irrigation - - 44 



The cost of irrigation ' 46 



Returns from irrigation 49 



Conclusion 50 



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