Dear All Does anybody have information about the preparation of artificially prepared clay materials. Shahid Azam 133 Row House Dept of Civil and Environmental Eng Michener Park, Edmonton University of Alberta, Edmonton Alberta T6H 4M4 Canada Alberta T6G 2G7 Canada Tel: (780)988 6834 Tel: (780)492 3346 Fax: (780)492 0249 _________________________________________________________________________ Get Your Private, Free E-mail from MSN Hotmail at http://www.hotmail.com.