Search for all of "Tunnels", all of "Construction Equipment"

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51. Crew working at Hoover Dam site
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52. Digging diversion tunnels at Hoover Dam.
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53. Hoover Dam from the downstream side
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54. Construction of Hoover Dam
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55. Agitators dumping concrete into buckets
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56. Upstream face of Hoover Dam, and the Nevada intake towers
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57. Blasting at Hoover Dam site
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58. Inside a diversion tunnel -- Hoover Dam construction
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59. Construction in diversion tunnel -- Hoover Dam
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60. Construction of diversion tunnel at Hoover Dam
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61. Construction -- Hoover Dam -- Diversion tunnel
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62. Construction of Hoover Dam diversion tunnel
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63. Construction workers inside Hoover Dam diversion tunnel
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64. Hoover Dam construction -- various phases
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65. Hoover Dam construction
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66. View showing method of finishing slabs in invert lining.
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67. Trucks hauling concrete in the diversion tunnel
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68. Section of a concrete-pouring jumbo standing outside of a diversion tunnel
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69. Construction on the Nevada power house
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70. Construction on the Arizona power house
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71. Interior of penstock tunnel -- Hoover Dam construction site
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72. Close-up of formwork in the Arizona power house
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73. Construction on the Nevada power house
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74. Construction view of the valve house and portal area of Hoover Dam
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75. Looking into the Arizona spillway raise.
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76. Construction on Hoover Dam and the power houses looking upstream from the lower portals road
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77. Hoover Dam construction site, looking upstream from the lower portals road
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78. Construction on Hoover Dam and the power houses looking upstream from the lower portals road
 

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