econ man Posted April 22, 2021 Report Share Posted April 22, 2021 I remember this being discussed on this board years ago, but don't remember any details. Someone put a plus sign grid with digits in the corners in white chalk on our front wall. I remember everything from a census, water company survey to criminal activity being mentioned. Any body have any idea what it is? Quote Link to comment Share on other sites More sharing options...
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