Poring through the USGS online photo file for Yellowstone, I encountered the attached W. H. Jackson photo from 1872. I think it shows Scalloped Spring. Agreements? Other ideas? Scott Bryan -------------- next part -------------- An HTML attachment was scrubbed... URL: </geyser-list/attachments/20120528/cf338402/attachment-0001.html> -------------- next part -------------- A non-text attachment was scrubbed... Name: Jackson image small.jpg Type: image/jpeg Size: 277467 bytes Desc: not available URL: </geyser-list/attachments/20120528/cf338402/attachment-0001.jpg>