Atur ukuran layar
Resize out
Resize in
Resize Setel ulang
Done Selesai
The Story of Hoover Dam

The Story of Hoover Dam

Telah dilihat sebanyak 1,347 kali

Validasi oleh manusia

8.0
Terima kasih, suaramu telah dicatat dan akan segera muncul.
Ya
Tidak
Deskripsi video:

National Archives and Records Administration - ARC Identifier 37058 / Local Identifier 115.31 - The story of Hoover Dam - Department of the Interior. Bureau of Reclamation. (05/18/1981 - ). Explains the overwhelming need to control and regulate the raging waters of the Colorado River; the 1928 passage of the Boulder Canyon Project authorizing construction of the Hoover Dam; the ensuing construction of diversion tunnels and then the dam itself; building of support facilities, such as a steel fabrication plant for giant pipe construction; and creation of hydroelectric operations that provided electricity to California, Nevada, and Arizona. Also details how Lake Mead evolved into a successful recreational area as a result of the dam construction. DVD copied by IASL Master Scanner Timothy Vollmer.

Tertambah 19 May 2016
Komentar