The following word buttons came up in Google Search when I asked the Question:
"Is the Hoover dam still standing?"
articles.latimes.com/2010/sep/26/travel/la-tr-hooverdam-20100926Sep 26, 2010 - Clayton Sellers'voice echoes off the sheer rock walls that rise from his vantage point along the Colorado River in Black Canyon, just downstream from the base of Hoover Dam. "[The dam] was started.
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https://en.wikipedia.org/wiki/Hoover_DamHoover Dam is a concrete arch-gravity dam in the Black Canyon of the Colorado River, on the border between the U.S. states of Nevada and Arizona. It was constructed between 1931 and 1936 during the Great Depression and was dedicated on September 30, 1935, by President Franklin D. Roosevelt. Originally known as ...