a. Aerial view of an acceptable pit configuration. 



Deep Regior 



Island 



Marsh/ 

 Littoral Area-N Lowland- 



b. Side view of an acceptable depth regime (Section A -A). 



Figure 16. Example of a preferred shape and depth profile of gravel 

 pits in floodplain terraces and connected to the active channel. 



72 



VI . SITE OPERATION 



