U, S. Dept. of Ayr,, Bu!, 100, Of'ice of Expt. Stations, Irrigation Investigations. 



Plate XXVI. 



LCNBEnaew oheck-i-o^er ". njos river CArg*L. 



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AT HEAO Oi^ r.^ORPHY SLOuaH FRONfl BGUOW 



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