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results 81-100 of 75546 item(s)  page 5 of 3778 : ( <<  1  2  3  4  5  6  7  8  9  10  >> ) :: previous : next
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Ross Dam, July 1989
81. Ross Dam, July 1989
Excavation in the Glory Hole at the Ruby Dam site, 1938
82. Excavation in the Glory Hole at the Ruby Dam site, 1938
Diablo Powerhouse interior showing metal reinforcement (rebar) which will hold up the generator pedestals,
83. Diablo Powerhouse interior showing metal reinforcement (rebar) which will hold up the generator pedestals, ca. 1935
Massachusetts Street Substation interior showing transformers, Seattle, May 14, 1904
84. Massachusetts Street Substation interior showing transformers, Seattle, May 14, 1904
Left bank with engineering notes showing plans to raise the height of Ross Dam, September 14, 1944
85. Left bank with engineering notes showing plans to raise the height of Ross Dam, September 14, 1944
Men at entrance to concrete tunnel at Masonry Dam, April 7, 1913
86. Men at entrance to concrete tunnel at Masonry Dam, April 7, 1913
North facade of Newhalem powerhouse with tailrace on the right, July 1987
87. North facade of Newhalem powerhouse with tailrace on the right, July 1987
Sawmill in operation on Lake Tapps, February 16, 1911
88. Sawmill in operation on Lake Tapps, February 16, 1911
Powerhouse construction site with views of penstock lines, camp no. 9, and superintendent's house, April
89. Powerhouse construction site with views of penstock lines, camp no. 9, and superintendent's house, April 18, 1904
Full view of Ross Dam, July 1987
90. Full view of Ross Dam, July 1987
Diablo Dam incline railway powerhouse, at top of incline on Sourdough Mountain, July 1989
91. Diablo Dam incline railway powerhouse, at top of incline on Sourdough Mountain, July 1989
Gorge Inn, formerly the mess hall for the Skagit Hydroelectric Project employees, Newhalem, July 1989
92. Gorge Inn, formerly the mess hall for the Skagit Hydroelectric Project employees, Newhalem, July 1989
Workers laying stringers on trestle, August 4, 1903
93. Workers laying stringers on trestle, August 4, 1903
Hydraulic mule used to open taintor gates on Diablo Dam, July 1989
94. Hydraulic mule used to open taintor gates on Diablo Dam, July 1989
Butterfly valve control, manufactured by the Pelton Water Wheel Company in 1931, Diablo Powerhouse, July
95. Butterfly valve control, manufactured by the Pelton Water Wheel Company in 1931, Diablo Powerhouse, July 1989
Communications room, Diablo Powerhouse, July 1989
96. Communications room, Diablo Powerhouse, July 1989
Upper Cedar Falls, March 17, 1914
97. Upper Cedar Falls, March 17, 1914
Spillway no. 1 at the flume, December 31, 1903
98. Spillway no. 1 at the flume, December 31, 1903
Turbine pit, Diablo Powerhouse, July 1989
99. Turbine pit, Diablo Powerhouse, July 1989
Men working on pile drivers, May 30, 1903
100. Men working on pile drivers, May 30, 1903
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results 81-100 of 75546 item(s)  page 5 of 3778 : ( <<  1  2  3  4  5  6  7  8  9  10  >> ) :: previous : next
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