In a message dated 1/25/2005 19:29:15 PM Pacific Standard Time, email.sheri at verizon.net writes: This just came across my ebay searching... can they be sure? is it possible?? No problem. To be sure, one really ought to do a trace element analysis ort some such, as every volcanic eruption is a bit different from every other. Beyond that, Yellowstone ash was deposited in quantity over a huge area. I know of three places where it lies in beds several inches thick here in California. One is about 8 miles from home. (It looks like pale dirt!) Scott Bryan -------------- next part -------------- An HTML attachment was scrubbed... URL: </geyser-list/attachments/20050125/552cc3f0/attachment.html>