Aqueously90 wrote:It's not perfect, but by going by the grid-ref prefixes, there are...
2691 in Scotland and IoM (H and N prefixes)
4013 in England and Wales (S and T prefixes)
I'm sure Graeme or Rob has an exact number.
peregrinus wrote:Exact would be tricky as they keep disappearing and occasionally reappearing.
Around 6150 extant pillars currently, I would estimate.
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