The "Dig Safe" program might be a good model for controlling access to
Sean's work. This would not preclude further scholarship on Sean's work
but it would keep the data out of the hands of the 31337 crowd.
Huh ?, Try this on for size , "Hello , I am joe's contracting
service & I have a building permit(I do) and I need to dig at ..."
If I remeber correctly the "Dig Safe" program will give me the
info without so much as a check on the permit or my company name .