1 52 E. T. Quayle : Avoca River Basin. 



Each vertical space represents', in the case of rainfall, one inch; 

 in the case of flood volume, 1000 cubic feet per second. The rainfalls 

 are indicated by vertical lines and hatched columns, the flood height 

 by the position on the vertical scale of the round dots. For (a) and 

 (b) the dates of occurrence are indicated by their position on the 

 horizontal scale. 





