In a message dated 1/23/2005 22:30:06 PM Pacific Standard Time, meechg at erols.com writes: I would be interested in going to find out more as I live just outside DC. If anyone has prior experience getting access to Smithsonian storage items that might help me make progress To Graham and any others-- I am pretty sure this was mentioned/suggested before, but... What is the possibility of obtaining a chemical analysis of the sinter from these (both) cones? Any more, a really teensy piect would be sufficient, and then with luck it could be matched to modern Yellowstone. I will say this-- when I first saw the photo of the display cone and heard the number of vents, I immediately thought of Avalanche. Now Graham say the Smithsonian says Gibbon Geyser Basin. So.... Scott Bryan -------------- next part -------------- An HTML attachment was scrubbed... URL: </geyser-list/attachments/20050124/fb015a91/attachment.html>