this is strictly a guess on my part but I would think any section of TV where they did not have to truck in tons and tons of fill to level the property would be less likely to have sink holes.
There are some villages where a little grading was required and then straight to laying slabs. In other areas they trucked in sand for days to get the property leveled to the layout stakes....and then in only a few days started to lay slabs!
I know that is not the cause and just recently shown by the huge sinkhole at the Corvette Museum in Bowling Green, KY....almost 80 feet deep and 40 feet wide!! But if I had a choice, and I did, I would choose where there was minimal or no filling......I am not sure how you find that out after an area is completed.
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