I've been watching the log for my PNNL info site and noticed there were a fair number of referrals coming in from search engines. I did my own searches and came up with interesting results:
The other search engines appear to be a little behind but they don't matter nearly as much.
Thanks to everyone for linking to the site as per my suggestions on this page. That helped make the above happen.
I'm in the process of making some more changes that should boost the visibility even more. And since I've been seeing the Google bot traverse the website recently that can only be good news.