A while back Sean Gorman did some really interesting work mapping critical infrastructure. If you are interested in this sort of stuff I highly recommend checki

A while back Sean Gorman did some really interesting work mapping critical infrastructure. If you are interested in this sort of stuff I highly recommend checking out his work: http://scholar.google.com/scholar?q=sean+gorman+critical+infrastructure&btnG=&hl=en&as_sdt=0%2C33&as_vis=1 http://scholar.google.com/scholar?q=sean+gorman+critical+inf...