View of Stockpiled  
excavated materials  
including rocks up   
to 300lbs.  

Large rocks are removed 
with a 6" grizzly  

Loaded into  Model 68 
screen equipped with 
a 1" screen openings.    

The production rate 
capability is 100 cubic yards 
per hour through the screen.  
The soil/rock split 
is 80% soil and 20% rock.