4k00:34boat and fishing houses at the lake, industrial background, drone aerial view, cinematic film look
hd00:201940s: Interior view of public works with railing. Hand with finger sticking out through hold in box of cotton. View of Hoover Dam. Men and women in dressy clothing look up at Hoover Dam.
hd00:241940s: View of Golden Gate bridge. Cars drive across Hoover Dam. Cover of U.S. Public Health Service. Crane moves barrels on ship. Cover of Farmer's Bulletin No. 1395 and article headline.
4k00:231940s: River runs through desert canyon. Large concrete dam on river in desert. Hydroelectric dam on river.
4k00:231940s: Car drives by large lake in desert. Car drives along desert road. Large concrete dam on river in desert.
hd00:151940s: Desert rock formations on side of road. View of desert outcroppings. Stone marker inscribed with Boulder Dam and Grand Canyon
hd00:181940s: Interior view of public works with some natural light and four visible circular structures with railings. Polished floor with pattern. Marble monument with inscription.
hd00:151940s: Marble monument with inscription. Man and woman viewing monument with flagpole in middle flanked by winged figures. American flag waves in breeze against blue sky and mountain.