Even if Hoover Dam is opened for public viewing, this Dam is still active and one of the major source of energy for California, Arizona and Nevada. The Compact paved the way for the construction of sevenral storage dams and delivery facilities on the Colorado River, and in 1928, Congress passed the Boulder Canyon Project Act, authorizing construction of Hoover Dam. This Dam was without precedent, the greatest dam of its day, and it still is a world-renowned structure. Located in Black Canyon near Las Vegas, Nevada, the dam is a National Historic Landmark, National Historic Civil Engineering Landmark, and one of the America's Seven Modern Civil Engineering Wonders. In 1999, it was named the number five construction achievement of the 20th century. Technical innovations developed during the dam's construction transformed several traditional engineering methods, setting a precedent for future large construction projects. ---(April 18, 2009)
http://www.youtube.com/watch?v=rsQDMl6I7Nk&hl=en
สมัครสมาชิก:
ส่งความคิดเห็น (Atom)
ไม่มีความคิดเห็น:
แสดงความคิดเห็น