The problem with using a concrete anfd finite source to back ypour currency is that it is just that...finite. This causes many economic problems for the social/economic system founded on it. I was barely a pup when the world first discovered this... er...that is when everyone in the mainstream allowed economists to be heard. Remember the Gold Standard? --Matt ______________________________________________________________________________ "This new technology (the printing press) threatened the Crown, which shuddered at the thought of widespread dissemination of works advocating religious heresy and political upheaval. The Crown's solution to the problem was a system of regulation designed to control this "dangerous" art." -From my Copyright Law Text (refrencing the Statute of Anne - the first Copyright Statute) (c)1993 ______________________/___________________________________mjmiski@macc.wisc.edu