Search for all of "Construction w", all of "Construction Workers", all of "Diversion Tunnels"

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1. Trash rack structure being installed in front of diversion tunnel no. 2
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2. Construction near the upper portals of diversion tunnels no. 1 and no. 2
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3. Workers and drilling jumbo inside diversion tunnel no. 4
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4. Close-up of workers using a drilling jumbo inside a diversion tunnel
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5. Construction worker in bulldozer in front of diversion tunnel portal
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6. Construction workers using a drilling jumbo inside a diversion tunnel
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7. Invert concrete pouring forms inside diversion tunnel
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8. Gantry crane inside diversion tunnel no. 3
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9. Concrete lining inside diversion tunnel no. 2
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10. Side-wall jumbo inside diversion tunnel
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11. Closeup of Upper Portal of Diversion Tunnels No. 3 and 4, during preparations for blast.
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12. Dump trucks on temporary dike in front of portals of diversion tunnels no. 3 and...
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13. Forms for transition at the downstream plug of Diversion Tunnel No. 2.
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14. Excavation for downstream plug, Diversion Tunnel No. 2.
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15. Excavation for downstream plug, Diversion Tunnel No. 3.
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16. Diversion tunnel no. 2, showing the pumpcrete line to the upstream plug
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17. Interior of Hoover Dam diversion tunnel during construction
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18. Diversion tunnel no. 1 trashrack and counterweight assembly just prior to the diverting of the...
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19. Diversion of the Colorado River into diversion tunnel no. 1 as the gate on diversion...
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20. Looking upstream at the upper end of no. 1 plug, showing forms for the intake...
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21. Looking upstream into no. 1 plug, showing the placing of the high pressure valves and...
 

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