Strip Mining Coal With A Drag Line
This huge piece of equipment is strip mining coal just off of high way 80 between Wamsutter and Rock Springs Wyoming.  Taking a close look at the its base, you will see that there are no treads but huge feet that are used to move from one place to another.  
 
 
 
          
      
 
  
 
 
 
 
 
 
 
 
 
 
 
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