Figure 16.40
Glen Canyon Dam and Lake Powell. (A) Glen Canyon Dam was completed in 1966. At 216 m (710 ft), it is the fourth tallest dam in the United States. (B) Hundreds of archaeological sites, such as this submerged Puebloan structure at Doll Ruin in Moqui Canyon, now lie hidden beneath the waters of Lake Powell.(A. © Matthew Micah Wright/Lonely Planet Images/Getty Images; B. Photo courtesy of the NPS Submerged Resources Center)