Search for exactly "Tunnels", all of "Hoover Dam ariz And Nev -- Design And Construction"

Grid | List | Tile

Object thumbnail
1. No. 1 and no. 2 tunnels
Object thumbnail
2. Construction of diversion tunnels -- Hoover Dam site
Object thumbnail
3. Partially washed-out truck bridge across from diversion tunnels
Object thumbnail
4. Diversion tunnels during Hoover Dam construction
Object thumbnail
5. Diversion tunnels under construction - Hoover Dam
Object thumbnail
6. Diversion tunnel at Hoover Dam
Object thumbnail
7. Looking up Black Canyon during construction of the diversion tunnels
Object thumbnail
8. Looking up Black Canyon during the construction of the diversion tunnels
Object thumbnail
9. Putting in the ceiling on the Nevada side of the no. 2 diversion tunnel
Object thumbnail
10. Putting in the ceiling on the Nevada side of the no. 2 diversion tunnel
Object thumbnail
11. Sidewall concreting in diversion tunnel no. 4 showing workers
Object thumbnail
12. Penstock tunnel, Hoover Dam
Object thumbnail
13. Power house on Nevada side of Hoover Dam
Object thumbnail
14. Lower portals of Diversion Tunnels No. 3 and No. 4, during the flood.
Object thumbnail
15. Water flowing into Colorado River, June 16, 1933
Object thumbnail
16. Trash rack at the upper portals of diversion tunnnel no. 2.
Object thumbnail
17. Hoover Dam construcion -- blasting
Object thumbnail
18. Workers in diversion tunnels -- Hoover Dam site
Object thumbnail
19. Close-up of trimming jumbo
Object thumbnail
20. Construction of Hoover Dam
Object thumbnail
21. Six Companies' power shovel dumping dirt in dump truck in diversion tunnel at Hoover Dam...
Object thumbnail
22. Construction of Hoover Dam
Object thumbnail
23. Construction of Hoover Dam
Object thumbnail
24. Crane transporting mixers in diversion tunnel at Hoover Dam site
Object thumbnail
25. Sidewall concreting inside diversion tunnel no. 4
Object thumbnail
26. Looking across the river at the lower portal of Diversion Tunnel No. 3.
Object thumbnail
27. Gas-air shovel caught in the flooded Colorado River
Object thumbnail
28. Trash rack structure being installed in front of diversion tunnel no. 2
Object thumbnail
29. Looking out of the interior of diversion tunnel no. 2, with gas-air shovel inside the...
Object thumbnail
30. Workers and drilling jumbo inside diversion tunnel no. 4
Object thumbnail
31. Close-up of workers using a drilling jumbo inside a diversion tunnel
Object thumbnail
32. Construction worker in bulldozer in front of diversion tunnel portal
Object thumbnail
33. Construction workers using a drilling jumbo inside a diversion tunnel
Object thumbnail
34. Interior of spillway tunnel, Hoover Dam site
Object thumbnail
35. Interior of diversion tunnel during Hoover Dam construction
Object thumbnail
36. Forms for transition at the downstream plug of Diversion Tunnel No. 2.
Object thumbnail
37. Aerial view of Hoover Dam construction site looking upstream on the Colorado River
Object thumbnail
38. View of railroad tracks being laid at Hoover Dam site.
Object thumbnail
39. Construction on the Nevada power house
Object thumbnail
40. Construction on the no. 4 penstock raise
Object thumbnail
41. Construction in the no. 4 penstock raise
Object thumbnail
42. Construction inside the upper no. 3 plug
Object thumbnail
43. Construction at Hoover Dam, inside a tunnel
Object thumbnail
44. Construction of the Arizona power house
Object thumbnail
45. Upper portal trashrack for diversion tunnel no. 1, on the Nevada side.
Object thumbnail
46. Diversion tunnel no. 2, showing the pumpcrete line to the upstream plug
Object thumbnail
47. Looking downstream into no. 4 raise, showing close-up of portal forms.
Object thumbnail
48. Number 3 plug and raise
Object thumbnail
49. View of no. 4 plug, Hoover Dam site
Object thumbnail
50. View inside a tunnel at Hoover Dam site
 

Subscribe to this Search