Harold Brown:
Ed Ellis Hoover Dam
Harold Brown:
Hoover Dam
Harold Brown:
Hoover Dam Bypass under construction
Harold Brown:
Bridge Supports
Harold Brown:
Hoover Dam
Harold Brown:
Hoover Dam
Harold Brown:
Hoover Dam Visitor Center
Harold Brown:
Highway Construction
Harold Brown:
Hoover Dam Bypass Construction
Harold Brown:
Lake Mead
Harold Brown:
Hoover Dam
Harold Brown:
Panorama Hoover Dam
Harold Brown:
Power Station
Harold Brown:
Hoover Dam
Harold Brown:
Hoover Dam