Hoover Dam View Poster Wyoming and Holei Sea Arch on

and Holei Sea Arch on the coast

Utah has greeted travelers for nealy 70 years

that was designed after Yellowstone’s Corkscrew Bridge

Visitors now come from all over the world to experience the nostalgia of riding aboard Cass’ historic steam engines

miles of snow sheds

Hoover Dam View Poster Wyoming and Holei Sea Arch onDescription 14" x 22" poster Interpretive Copy Hoover Dam is known as an arch gravity dam that was created using 4. 5 million cubic yards of concrete. At its base, the dam is 660 feet thick narrowing to 45 feet at the top. It is 1,244 feet across, and stands 726 feet high. Hoover Dam is hydro electric powerplant that produces more that four billion killowatt hours of electricity per year, serving 1. 3 million people in California, Nevada, and Arizona.