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results 41-60 of 12553 item(s)  page 3 of 628 : ( <<  1  2  3  4  5  6  7  8  9  10  >> ) :: previous : next
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Southern face of dam, showing excavation for east abutment on the right side, September 12, 1925
41. Southern face of dam, showing excavation for east abutment on the right side, September 12, 1925
Men and steam shovel working on powerhouse site excavation, April 26, 1925
42. Men and steam shovel working on powerhouse site excavation, April 26, 1925
Looking down main pressure tunnel from tunnel entrance, November 3, 1924
43. Looking down main pressure tunnel from tunnel entrance, November 3, 1924
Dam site showing chutes for carrying concrete, October 1, 1924
44. Dam site showing chutes for carrying concrete, October 1, 1924
Building cofferdam in preparation for building Lower Baker River Dam, August 28, 1924
45. Building cofferdam in preparation for building Lower Baker River Dam, August 28, 1924
Dam construction after Baker River was blocked off by upper cofferdam, August 28, 1924
46. Dam construction after Baker River was blocked off by upper cofferdam, August 28, 1924
Hoist used for hauling gravel up slope next to the dam site, August 28, 1924
47. Hoist used for hauling gravel up slope next to the dam site, August 28, 1924
Steam shovel, next to locomotive, removing earth from dam site, August 28, 1924
48. Steam shovel, next to locomotive, removing earth from dam site, August 28, 1924
Man standing in completed penstock tunnel between dam and powerhouse, October 22, 1925
49. Man standing in completed penstock tunnel between dam and powerhouse, October 22, 1925
Forms for the creation of the main tunnel, in the center of the tunnel system, May 7, 1925
50. Forms for the creation of the main tunnel, in the center of the tunnel system, May 7, 1925
Draft tube that will go under one of the powerhouse water wheels, pictured after delivery in town next
51. Draft tube that will go under one of the powerhouse water wheels, pictured after delivery in town next to the warehouse, February 7, 1925
Workers on powerhouse roof laying rebar, August 3, 1925
52. Workers on powerhouse roof laying rebar, August 3, 1925
Form for water wheel draft tube, after delivery to Concrete, March 20, 1925
53. Form for water wheel draft tube, after delivery to Concrete, March 20, 1925
South face of dam under construction, February 27, 1925
54. South face of dam under construction, February 27, 1925
Excavation for powerhouse foundation, March 6, 1925
55. Excavation for powerhouse foundation, March 6, 1925
Generating units 1 and 2 installed in the powerhouse, August 26, 1925
56. Generating units 1 and 2 installed in the powerhouse, August 26, 1925
Powerhouse interior showing generating unit no. 2, August 13, 1925
57. Powerhouse interior showing generating unit no. 2, August 13, 1925
Powerhouse under construction, June 29, 1925
58. Powerhouse under construction, June 29, 1925
Dam under construction, with concrete being placed on the east side, July 19, 1925
59. Dam under construction, with concrete being placed on the east side, July 19, 1925
Gate pier construction on top of the dam, August 12, 1925
60. Gate pier construction on top of the dam, August 12, 1925
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