Bui. 126, U. S. Dept. of Agriculture. 



Plate X. 



Fig. 1 .—Construction Reinforcement and Expansion Joint Strips Used in Con- 

 crete Lining Work, Tucson Farms Co., Tucson, Ariz. 



Fig. 2.— Showing Expansion Joint Strips Embedded in Concrete Lining and Appear- 

 ance of Concrete Surface Before Applying Wash Coat of Neat Cement Mor- 

 tar, Tucson Farms Co., Tucson, Ariz. 



