Worked stone found in area of overburden in center of operation WSAC3.  Possibly a polishing tool with two flat opposite sides and two that are smooth and taper to a rounded edge which shows some sign of wear.  The bottom seems rough and might be broken off.  The profile is like an isosceles triangle.  Elevation 2139.118, 3.9 m from NW baulk, 2.9 m from SW baulk.  
Retouch: 
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