I still await your answer formy second question...<quoted text>
actually no, I got it from the Hydrogeology section of the Saudi Arabian Geological survey.
I used a muslim source just to be polite. http://www.sgs.org.sa/English/AppliedGeology/...
Yet another question remains, no groundwater ever lasted since 2000BC how did this? Despite the unique properties and freshness that is maintained throughout those years..NEVER infected NEVER contaminated whatsoever!!!