Hi Neil,
It just occurred to me that if you want to see buffalo, you could go to Yellowstone. If you want to take a tour, I have some friends who started a tour company this year. Check it out at:
http://www.ylooproadtrips.com/. I'm way behind on AP postings, but I've heard that you've posted some nice pics. Hope to see them soon. It was nice to have you visit us. Thanks for the book. Happy Trails.