Fraser,
It's best not to discuss Archaeological consequences with a client unless they are accompanied by their Physician and Priest !

Most sites come with Acoustic, Vibration & particle monitoring equipment in the form of elderly people who somehow find your number and let you know if any of the above is inconveniencing their enjoyment of Dickinsons Real Deal' and show great tenacity to let everyone else know aswel.

t.

Tony's trailer it is then . He does a mobile service .