ELECTRONIC	h   t   t   p   c o l o n   s l a s h   s l a s h   w   w   w dot c o s a e x c a v a t i o n s dot o r g   s l a s h   p i e r r e	h   t   t   p   c o l o n   s l a s h   s l a s h   w   w   w dot c o s a e x c a v a t i o n s dot o r g   s l a s h   p i e r r e	1