The hoover dam 3
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The Hoover Dam was constructed between 1921 and 1935 at a cost of $49 million. It stands 726 feet tall and required over 3.25 million cubic yards of concrete. To prevent cracking as the concrete cured, it was poured in stages with steel pipes circulating cold water. This created Lake Mead behind the dam. When completed in 1935, it was the largest dam in the world and harnesses the Colorado River to generate electricity through 17 turbines.
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The document discusses the history of mobsters in the 1920s. Mobsters engaged in illegal activities like bootlegging alcohol during Prohibition and being paid killers. One of the most famous was Al Capone, who rose to notoriety through bank robberies, auto theft, and selling illegal booze. Mobsters like Baby Face Nelson and Al Capone made a lot of money through criminal acts and became role models for their lavish lifestyles, though most ended up in prison or were wanted by the FBI. Their criminal fame influenced others to believe becoming a mobster was an easy way to wealth.
Mobstersmic
The document discusses the history of mobsters in the 1920s. Mobsters engaged in illegal activities like bootlegging alcohol during Prohibition and being paid killers. One of the most famous was Al Capone, who rose to prominence through bank robberies, auto theft, and selling illegal booze. Mobsters like Baby Face Nelson and Al Capone became wealthy but gained notoriety through their ruthless criminal behavior and later faced imprisonment, as law enforcement increasingly cracked down on organized crime. In their heyday, some mobsters were even seen as folk heroes by some for targeting banks and destroying mortgage records during the Great Depression.
Lindberghbaby
Charles Lindbergh Jr., the 20-month old son of famous aviator Charles Lindbergh, was abducted from his home in 1932. A ransom note was left at the scene and a payment was made, but the toddler's body was later found about 4.5 miles away, with skull fractures and missing body parts. Bruno Richard Hauptmann was eventually arrested and convicted of the crime after a widely publicized trial. In response to the case, the U.S. Congress passed the Federal Kidnapping Act making transporting a kidnapping victim across state lines a federal crime.
Lindberghbaby
Charles Lindbergh Jr., the 20-month old son of famous aviator Charles Lindbergh, was abducted from his home in 1932. A ransom note was left at the scene and a payment was made, but the toddler's body was later found about 4.5 miles away, with skull fractures and missing body parts. Bruno Richard Hauptmann was eventually arrested and convicted of the crime after a widely publicized trial. The Lindbergh kidnapping led Congress to pass the Federal Kidnapping Act, making transporting a kidnapping victim across state lines a federal crime.
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The hoover dam 3
- 1. The Hoover Dam 1921-1935
- 2. Construction of the Hoover dam At the time the dam cost 49$ million to construct. The dam is 726 feet high, 660 ft thick, and is 1244 ft long. Hoover Dam required over 3,250,000 cubic yards of concrete plus another million for the power plant, intake towers and other support structures.
- 3. How the power plant makes electricity. Inside are 17 turbines--nine on the Arizona side and eight on the Nevada side--plus two small generators used to create power for the plant itself. The force of the water spins the turbines, which spin magnets past coils of copper wire. The act of spinning the magnets past the copper coils creates the electricity.
- 4. How the Hoover dam was constructed Over 3,250,000 cubic yards of concrete was used to build the dam. To simply pour the dam all at once would have caused it to eventually crack and collapse under the weight of its own curing. This problem was solved by pouring the concrete in interlocking stages, one block at a time. The cooling of the concrete was further helped by putting steel pipes into each poured block that circulated ice water through them until the cement was cure
- 6. Creation of lake Mead The dam is the separator between lake mead and the Colorado river. This lake was made when the dam was put in place and dammed up the Colorado river.
- 7. Completion of the dam With the dam's building complete, in 1935 Hoover Dam became the largest dam in the world.
- 8. How Does the Hoover Dam Make Electricity? | eHow.com http://www.ehow.com/how-does_5164758_hoover-dam-make-electricity.html#ixzz1EhZyjEyX job, it is still curing, getting harder and emitting heat.Read more: How Was the Hoover Dam Built? | eHow.com http://www.ehow.com/how-does_5245117_hoover-dam-built_.html#ixzz1EtDENQkz http://users.humboldt.edu/ogayle/HooverConcretePouring.jpg&imgrefurl=http://users.humboldt.edu/ogayle/hist383/Depression-WorldWarII.html&usg=__4iT1DmVJZ3cmZCuO1i0LLP1gUh4=&h=600&w=750&sz=134&hl=en&start=0&zoom=1&tbnid=aYBL75joX5XkEM:&tbnh=129&tbnw=162&ei=FXlmTZHmLoa8lQeRo6D_AQ&prev=/images%3Fq%3Dpouring%2Bthe