Temporary Pile Shape. 

 During Operation 



(Refer to Fig. 8) 



Pile at 

 Closure- 



At Least 

 15— 20m Long 



Armor to 2-Year 

 Flood Stage 



-At Least 

 3-5m Wide 



2-Year Flood Stage 



JZ^ 



Material Site, 

 Surface — 



Figure 17. Typical view of desirable shape and configuration, relative to 2-year 

 flood levels, of permanent I y placed overburden piles. 



• Armored on ttie active side to prevent erosion (refer 

 to discussions of bank protection in Appendix C) 



• Piled to maximize surface area, provided ttiis meets 

 the above cr i ter ia 



If sufficient material exists, it is desirable to produce 

 several piles distributed throughout the mined area. 

 If insufficient material exists to meet the above cri- 

 teria, it should not be piled within the active flood- 



78 



VII. SITE CLOSURE 



