Photo: Plaque at Hoover Dam; Memorial bridge in background
Photo: Access stairway deep inside the dam.
Photo: Inside a ventilation shaft, Hoover Dam
Photo: The Mike O'Callaghan – Pat Tillman Memorial Bridge, taken from inside the dam, looking out from a ventilation passageway.
Photo: At the power station, Hoover Dam
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Brian Titus
Public
Inside a ventilation shaft, Hoover Dam
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