Category:Suspension bridges in Nevada

Media in category "Suspension bridges in Nevada"

The following 10 files are in this category, out of 10 total.

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  Catwalk spanning canyon over upstream cofferdam. The span is swung approximately between Triangulation Points C-7... - NARA - 293946.jpg 3,000 × 2,122; 872 KB
  
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  Dam site and structure as seen from point on Arizona rim roughly defined by coordinate point N31,000, W 48,700. View... - NARA - 293951.jpg 2,109 × 3,000; 1.02 MB
  
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  "Looking into Black Canyon at Nevada Diversion Tunnel intake portals from top of canyon wall on Arizona side. Trash... - NARA - 293671.jpg 3,000 × 2,101; 3.71 MB
  
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  "Looking upstream into Black Canyon toward Hoover Damsite from point on Six Companies Construction road on Nevada side." - NARA - 293720.jpg 3,000 × 2,095; 3.78 MB
  
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  Drillers and scalers at work in intake tower locations on Nevada side. Note five-yard dragline excavator in upper... - NARA - 293760.jpg 2,094 × 3,000; 916 KB
  
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  Looking upstream into Black Canyon toward Hoover Dam site showing outlet portals of four diversion tunnels and... - NARA - 293789.jpg 3,000 × 2,103; 909 KB
  
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  Looking upstream into Black Canyon toward Hoover damsite showing four diversion tunnel outlets - NARA - 293813.jpg 3,000 × 2,112; 1.01 MB
  
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  Looking upstream toward Boulder dam site showing outlet portals of all four diversion tunnels. Flow of Colorado... - NARA - 293890.jpg 3,000 × 2,127; 912 KB
  
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  View looking into Black Canyon from rim of the Arizona wall showing operations in the early stages of the upper... - NARA - 293735.jpg 2,090 × 3,000; 3.66 MB
  
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  Water flowing into inlet portal of Diversion Tunnel No. 4 about an hour after earth barrier had been removed by... - NARA - 293777.jpg 3,000 × 2,095; 3.3 MB