Hoover Dam power houses

Close-up view of the power houses at Hoover Dam. Water is trickling from the outlet works and a portion of the upstream face of the dam is visible. The valve house on the Arizona side is shown.

Spillway -- Hoover Dam

Shows Lake Mead (the reservoir) on the downstream side of the dam. The lake is almost filled. The spillway and intake towers are visible. Cars are parked along the road leading to the dam.

Hoover Dam outlet works

View of the dam, looking upstream. Water is shooting from the outlet works in the valve house on he Arizona side. The Nevada valve house and part of the Arizona and the cetnral power houses are visible. Two men are standing on the cofferdam,...

President Franklin Roosevelt at the dedication of Hoover Dam

President Franklin Roosevelt is standing near a lectern, looking down, and reaching out with his left hand toward the arm of a man whose back is to the camera. A man in a military uniform is facing the camera and looking down. His hand is near the...

1935-09-30

Hoover Dam -- upstream side

Completed dam and intake towers. The reservoir (Lake Mead) has begun to fill. There is a power boat on the lake headed toward the dam.

Hoover dam -- upstream side

shows the upstream face of the dam, the intake towers, and construction equipment. There is a little water in the reservoir (Lake Mead). The Arizona spillway is also visible.

Hoover Dam -- valve outlets in operation on the Arizona side

Water pours from one of the outlets in the valve house on the Arizona side. Workers walk along a walkway by the Nevada power house or stand and look at the water. There is a mountain in the background.

Hoover Dam from the downstream side

View of face of dam showing water coming out of the outlet works on the Arizona side. A bridge, a cableway above the dam, the mouths of several diversion tunnels, the Nevada power house, and construction equipment are visible. The Colorado River...

Hoover Dam -- at night

Color transparency showing the upstream face of Hoover Dam. The dam is illuminated by electric lights making the crest of the dam, the intake towers, and the power house visible.

Top of Hoover Dam

This color transparency shows the top of the dam, intake towers, a spillway, and the part of the upstream face of the dam. There are cars parked on the road across the top of the dam and the reservoir is almost filled.

View of Hoover Dam with Fortification Hill in the background

View of Hoover Dam and the Colorado River in Black Canyon. Water is being discharged from the outlet works of the Arizona valve house on the right. The peaks of the intake towers can be seen behind the dam face. Fortification Hill is seen in Black...

Hoover Dam -- downstream face

Color transparency of the downstream face of the dam, showing the power house. Transmission tower for hyroelectric power and a cableway are visible.

Highway near Boulder City

This photograph shows a highway curving through the desert. There is a dirt road that appears to the left and there is a telephone/telegraph pole on the right. Rocky hills can be seen in the background.

2024-05-20

Highway near Boulder City

View of a paved highway through the mountains near Boulder City. There is a railroad track running parallel to the highway on the left side of the photo. On the right side there is a dirt road leading off across the desert.

2024-05-20

Hoover Dam intake towers

Shows the intake towers and face of hoover Dam.

Looking upstream toward no. 1 upstream plug, showing approximately 7,100 second feet of...

View of water being discharged into the no. 1 diversion tunnel. A series of bundled pipes is visible on the right side of the tunnel wall.

1935-03-26

Construction on the power houses and valve houses viewed from the top of Hoover Dam

View from the top of Hoover Dam of construction on the power houses in the lower cofferdam and on the valve houses in the walls of Black Canyon. Temporary buildings and construction equipment are seen on the cofferdam floor. Roof trusses and...

1935-06-25

View from the top of Hoover Dam of construction on the power houses

View from the top of Hoover Dam of construction on the power houses in the lower cofferdam. Construction on the Arizona power house in the wall of Black Canyon can also be seen in the upper left. Temporary buildings and construction equipment are...

1935-06-01

Road tunnel portal

View of the Nevada side of the Hoover Dam construction site, showing a road tunnel portal in the wall of Black Canyon on the left. The dam face and construction on the Nevada power house can be seen in the upper right. Temporary structures and a...

1935-06-24

Intake towers at Hoover Dam during dam construction

View of the intake towers at Hoover Dam, taken when the dam was nearly completed. There is a boat in the water at the base of the towers. A portion of the face of the dam is visible at right.

1935-07-26

Hoover Dam during construction

View of the upstream side of the dam and the intake towers. In the background mountains and construction roads are visible. Lake Mead (reservoir) is visible above the dam.

Diversion tunnel no. 1 trashrack and counterweight assembly just prior to the diverting...

Construction workers are seen climbing on the outside of the no. 1 trash rack at diversion tunnel no. 1. Other workers view the scene from a railroad trestle that runs over the diversion tunnel portal, and from the upper cofferdam (seen in the...

1935-02-01

Steel rails on the roof of the Nevada valve house awaiting concrete pouring

View of steel rails on the roof of the Nevada valve house, ready for pouring concrete slab. Two construction workers are seen in the distance near the canyon wall.

1935-09-27

Looking upstream toward Lake Mead

View of Lake Mead. A bus is parked in a turn-out along the lake road.

1935-08-21

Power house during construction -- Hoover Dam

View of the power house from the top of Hoover Dam, looking down. The valve houses are visible on the sides of the canyon. Roads, trucks, buildings, and the concrete pouring forms can also be seen.

1935-09-26