Bui. 462, U. S. Dept of Agriculture. 



Plate VI. 



Fig. 1.— Relief Standpipe at Connection of Iron Discharge 

 Pipe and Terra-Cotta Distributing Lines, in Orange 

 Grove, Palatka, Fla. 



Fig. 2— Six-Inch Cast-Iron Irrigation Valve and Hose Connection to Slip- 

 Joint Pipe for Irrigating Orange Grove, Palatka, Fla. 



