Simone, I have unpublished reports that I would like you to reference. I'm just getting ready for a conference now and will return later in August (about Aug. 25 by the time I'm back from the field). How late can I send this information? Best, Linda Scott Cummings -- Linda Scott Cummings, Ph.D. Paleo Research Institute 2675 Youngfield St. Golden, CO 80401 USA (303) 277-9848 fax: (303) 462-2700 http://www.paleoresearch.com