![The Greatest Dam in the World": Building Hoover Dam (Teaching with Historic Places) (U.S. National Park Service) The Greatest Dam in the World": Building Hoover Dam (Teaching with Historic Places) (U.S. National Park Service)](https://www.nps.gov/articles/images/highscalers3cl.jpg?maxwidth=1300&autorotate=false)
The Greatest Dam in the World": Building Hoover Dam (Teaching with Historic Places) (U.S. National Park Service)
![The Greatest Dam in the World": Building Hoover Dam (Teaching with Historic Places) (U.S. National Park Service) The Greatest Dam in the World": Building Hoover Dam (Teaching with Historic Places) (U.S. National Park Service)](https://www.nps.gov/articles/images/photo6cl_1.jpg)
The Greatest Dam in the World": Building Hoover Dam (Teaching with Historic Places) (U.S. National Park Service)
![Severe drought threatens Hoover dam reservoir – and water for US west | Climate crisis | The Guardian Severe drought threatens Hoover dam reservoir – and water for US west | Climate crisis | The Guardian](https://i.guim.co.uk/img/media/8148a99dec362656fcdf4b838ced13b46d8566a6/0_10_5472_3283/master/5472.jpg?width=1200&height=900&quality=85&auto=format&fit=crop&s=1c045dfc4ff6a34599fb2fe95acf9d72)
Severe drought threatens Hoover dam reservoir – and water for US west | Climate crisis | The Guardian
![The Greatest Dam in the World": Building Hoover Dam (Teaching with Historic Places) (U.S. National Park Service) The Greatest Dam in the World": Building Hoover Dam (Teaching with Historic Places) (U.S. National Park Service)](https://www.nps.gov/articles/images/illustration1ch.gif)