Bui. 502, U. S. Dept. of Agriculture. 



Plate VIII. 







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Fig. 1.— Prior to Drainage, Orchard was Dying and Land Now in Alfalfa was 



Barren. 



Fig. 2.— Drained Shale Land Under Cultivation. 

 RESULTS OF PROPERLY INSTALLED DRAINS ON SHALE LAND. 



