Search for exactly "Penstock tunnels"

Grid | List | Tile

      Title Description
1 Object thumbnail
Power house on Nevada side of Hoover Dam View of a power house on the Nevada side taken during the construction of Hoover Dam. Shows power penstock tunnels, scaffolding, construction equipment and trucks.
2 Object thumbnail
Penstock tunnel, Hoover Dam Aerial view of the Hoover Dam construction site on the Colorado River in Black Canyon. Cables are suspended across the canyon and a dirt road runs along the canyon floor. Early construction on a penstock tunnel can be...
3 Object thumbnail
Construction on the Nevada power house View of the Hoover Dam construction site, looking upstream on the Colorado River in Black Canyon. The partially finished dam face can be seen on the right, with concrete pouring forms and other construction equipment. Construction of the Nevada power...
4 Object thumbnail
Construction on the Arizona power house View of the Hoover Dam construction site, looking upstream on the Colorado River in Black Canyon. The partially finished dam face can be seen on the left, with concrete pouring forms and other construction equipment. Construction of the Arizona power...
5 Object thumbnail
Interior of penstock tunnel -- Hoover Dam construction site Interior view of number 4 raise and plug showing construction. Construction workers can be seen at the far end of the tunnel.
6 Object thumbnail
Construction on the no. 4 penstock raise View of construction workers on framework inside the no. 4 penstock tunnel portal during construction of Hoover Dam.
7 Object thumbnail
Construction in the no. 4 penstock raise View of construction inside the no. 4 penstock raise. Construction workers stand on the framework and platforms inside the unfinished tunnel.
8 Object thumbnail
Construction in the no. 1 penstock raise View of construction work inside the portal of the no. 1 penstock raise. Construction workers can be seen on the framework outside of the portal.
9 Object thumbnail
Close-up of formwork in the Arizona power house Construction workers are seen working amid the wood and steel framework during construction of the Arizona power house. Unfinished penstock tunnel portals can be seen in the canyon wall in the background.
10 Object thumbnail
Construction on the Nevada power house View of construction on the Nevada power house. The dam face is seen in the upper right. Unfinished penstock portals are seen in the canyon wall. Temporary buildings and construction equipment are seen in the cofferdam between the Nevada and...
11 Object thumbnail
Looking upstream through penstock tunnel no. 5 Taken inside penstock tunnel no. 5, perspective to the left shows upstream view through the tunnel. Foreground shows manway tunnel angling down and to the right.
 

Subscribe to this Search