People posing under Rainbow Bridge, one of the rock formations found around Lake Powell, during the Powell Commemorative Ceremony. The individuals identified include (standing, from left to right): Harold Mott; Raymond Nakai; Graham Holmes; Frank Kowski (Regional Director of National Park Services), and John Cook (of NPS). Kneeling, from left to right, are: Harthon "Spud" Bill and David L. Crandall.