Well, since his book is the only one out there with info about this canyon, it would be an entire section of the page with just one line of info I figure it's better to just have an external links section. I also included maps on the page. I suppose I could put a link to his book in the external links section.
Thanks for the input
"As an adolescent I aspired to lasting fame, I craved factual certainty, and I thirsted for a meaningful vision of human life - so I became a scientist. This is like becoming an archbishop so you can meet girls."