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					Originally Posted by Gattigap   | 
	
 Well, it's not a surveyor's symbol I've ever seen on a survey or map, nor does it look like the 
reticle* used in a theodolite or other surveying instruments.  
Tho, the standard scope reticle options (bottom of 
this page) don't include anything to similar, either.
*yes, had to look that up.