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CIRCA 1936 - The construction of the Boulder Dam project in 1936 in the Bureau of Land Reclamation film with an emphasis on the making of turbines.
CIRCA 1990s - The research of the fluidity of cement is important as it changes throughout the hydration process, in 1995.
CIRCA 1948 - Niagara Falls and the Coulee Dam are shown as capable of powering hydroelectric generators.
CIRCA 1950s - God created atomic energy in the 1950s film.
CIRCA 1948 - Power is generated by natural resources such as Niagara Falls, and manmade resources like the Grand Coulee Dam.
CIRCA 1950s - The Hoover and Parker Dams channel clean water from the Colorado River into Southern California in the 1950s - .
CIRCA 1969 - In this adventure film, a group of people are standing behind a stone balustrade on a roof with a view to a dam.

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31693570
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StockVideo, ID: 31693570

CIRCA 1990s - The rate of hydration is affected by temperature and cement type, and is important to consider during construction, in 1995.

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  • HD • 1920 × 1080 pixels • MOV

  • SD • 852 × 480 pixels • MOV

  • Web • 426 × 240 pixels • MOV

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  • 29.97 fps

Tijdsduur

  • 2:18

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