Hoover Dam - Wikipedia
Hoover 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. Constructed between 1931 and 1936, during the Great Depression, it was dedicated on September 30, …
Building the Hoover Dam seen Through Rare Photographs, 1931 …
2024年3月4日 · Hoover Dam is as tall as a 60-story building. It was the highest dam in the world when it was completed in 1935. Its base is as thick as two football fields. Each spillway, designed to let floodwaters pass without harming the dam itself, can handle the volume of water that flows over Niagara Falls.
Hoover Dam ‑ Facts, Construction & Lake Mead - HISTORY
2010年4月14日 · The largest dam in the world at the time of its completion in 1935, this National Historic Landmark stores enough water in Lake Mead to irrigate 2 million acres and serves as a popular tourist ...
"The Greatest Dam in the World": Building Hoover Dam (Teaching …
Hoover Dam is as tall as a 60-story building. It was the highest dam in the world when it was completed in 1935. Its base is as thick as two football fields are long. Each spillway, designed to let floodwaters pass without harming the dam itself, can handle the volume of water that flows over Niagara Falls.
"The Greatest Dam in the World": Building Hoover Dam (Teaching …
2020年3月4日 · 1) To list five factors that led to the construction of Hoover Dam. 2) To identify some of the work involved in the design and construction of the dam. 3) To explain the steps in the construction process and their dangers. 4) To identify some of the factors contributing to public perceptions of Hoover Dam and its construction.
The Hoover Dam: History & Major Facts - World History Edu
2024年10月5日 · The construction of the Hoover Dam resulted in the creation of Lake Mead, the largest man-made reservoir in the United States. Lake Mead spans the border between Arizona and Nevada, covering an area of 247 square miles and holding up to 26 million acre-feet of water.
Nevada and Arizona: Hoover Dam - U.S. National Park Service
Hoover Dam is a concrete arch-gravity dam, meaning, as explained by the Public Broadcasting Service website “Building Big,” that as tons of water in the reservoir push against the concrete in the dam, compressive forces travel along the dam’s great …
Hoover Dam - Bureau of Reclamation
What was an unusual feature of Hoover Dam's construction? The dam was built in vertical columns of blocks that varied in size from about 60 feet square at the upstream face of the dam to about 25 feet square at the downstream face. An estimated 215 blocks make up the dam.
Building the Hoover Dam | American Experience | PBS
First concrete is poured at Hoover Dam site. The Hoover Dam starts impounding water in Lake Mead. The last concrete is poured at the dam site. President Franklin D. Roosevelt t attends...
Building Hoover Dam, in pictures (1931-1936) - ZME Science
2017年3月23日 · This huge dam was built in only five years, from 1931 to 1936, with 5,251 people employed at peak construction. Hoover Dam’s story began much earlier, though.