The view of a penstock tunnel located within the interior of Boulder Dam. Visitors of the dam stand above a bridge overlooking the tunnel. Boulder Dam was officially renamed Hoover Dam in 1947.
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.
Traffic flows on West Sahara Avenue as it crosses under I-15 near Rancho Drive. This interchange operates as one of the busiest in the Las Vegas Valley.