Silbury Hill 180
Image by tjj
Silbury Hill

Digging Silbury

No, It inside a plastic liner with another liner over the top and capped with chalk.
It is all due to be taken out between April and September 2007
PeteG

Ahh a bit reassuring, I'm by no means an expert on these things but my gut feeling was that I didn't like it.

Thanks for the info.