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

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1. Six Companies' power shovel dumping dirt in dump truck in diversion tunnel at Hoover Dam...
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2. Crane transporting mixers in diversion tunnel at Hoover Dam site
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3. Trash rack structure being installed in front of diversion tunnel no. 2
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4. Construction near the upper portals of diversion tunnels no. 1 and no. 2
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5. Workers and drilling jumbo inside diversion tunnel no. 4
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6. Close-up of workers using a drilling jumbo inside a diversion tunnel
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7. Construction worker in bulldozer in front of diversion tunnel portal
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8. Construction workers using a drilling jumbo inside a diversion tunnel
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9. Invert concrete pouring forms inside diversion tunnel
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10. Gantry crane inside diversion tunnel no. 3
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11. Concrete lining inside diversion tunnel no. 2
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12. Side-wall jumbo inside diversion tunnel
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13. Closeup of Upper Portal of Diversion Tunnels No. 3 and 4, during preparations for blast.
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14. Dump trucks on temporary dike in front of portals of diversion tunnels no. 3 and...
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15. Excavation for downstream plug, Diversion Tunnel No. 2.
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16. Excavation for downstream plug, Diversion Tunnel No. 3.
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17. Interior of Hoover Dam diversion tunnel during construction
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18. Blasting at Hoover Dam site
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19. Hoover Dam construcion -- blasting
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20. Inside a diversion tunnel -- Hoover Dam construction
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21. Workers in diversion tunnels -- Hoover Dam site
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22. Construction workers inside Hoover Dam diversion tunnel
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23. View showing method of finishing slabs in invert lining.
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24. Trucks hauling concrete in the diversion tunnel
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25. Close-up of trimming jumbo
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26. Diversion of the Colorado River into diversion tunnel no. 1 as the gate on diversion...
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27. Construction workers in diversion tunnel, Hoover Dam site
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28. Construction of Hoover Dam diversion tunnel
 

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