Chris Pelchat has published a book chapter with University of Idaho professor Mike Kinziger.
Pelchat, C. & Kinziger, M. (2009). Rafting. In A. Attarian & M. Wagstaff (Ed.), Technical skills for adventure programming: A curriculum guide (pp. 567-621) Champaign, IL: Human Kinetics.
https://www.ithaca.edu/intercom/article.php/20090227141829680