Scott, The image from Bryant's book looks remarkably like the underground parts of the geyser "Ol' Bess" from the 1936 Henry Hunter movie Yellowstone. Yep, I think that's it! Just one of the rabble, Leslie Quinn -------------- next part -------------- An HTML attachment was scrubbed... URL: </geyser-list/attachments/20060412/8c3c1bfd/attachment.html>