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results 81-100 of 76296 item(s)  page 5 of 3815 : ( <<  1  2  3  4  5  6  7  8  9  10  >> ) :: previous : next
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Truck crossing suspension bridge at Ruby Dam during initial construction, 1938
81. Truck crossing suspension bridge at Ruby Dam during initial construction, 1938
Construction of Gorge Powerhouse, showing generating units 21 and 22 (formerly units 1 and 2), January
82. Construction of Gorge Powerhouse, showing generating units 21 and 22 (formerly units 1 and 2), January 12, 1923
Steam shovel excavating powerhouse foundation, February 2, 1911
83. Steam shovel excavating powerhouse foundation, February 2, 1911
Diablo Powerhouse under construction showing incline railway and construction camp, Reflector Bar, Skagit
84. Diablo Powerhouse under construction showing incline railway and construction camp, Reflector Bar, Skagit River, ca. 1934
Newhalem Creek looking downstream to diversion dam and intake for powerhouse, July 1989
85. Newhalem Creek looking downstream to diversion dam and intake for powerhouse, July 1989
Original equipment in Diablo Powerhouse, Westinghouse type J rheostat, now used as backup, July 1989
86. Original equipment in Diablo Powerhouse, Westinghouse type J rheostat, now used as backup, July 1989
Detail of taintor gates from upstream on north end of Diablo Dam, July 1989
87. Detail of taintor gates from upstream on north end of Diablo Dam, July 1989
Ross Powerhouse interior looking east at generating units 41 42, 43 and 44, July 1989
88. Ross Powerhouse interior looking east at generating units 41 42, 43 and 44, July 1989
Workers beside cofferdam discharge pipeline under construction, Masonry Dam, March 26, 1912
89. Workers beside cofferdam discharge pipeline under construction, Masonry Dam, March 26, 1912
Detail of Ross Dam face from below, July 1989
90. Detail of Ross Dam face from below, July 1989
Newhalem Library, formerly the cooks' bunkhouse for the Skagit Hydroelectric Project employees, July
91. Newhalem Library, formerly the cooks' bunkhouse for the Skagit Hydroelectric Project employees, July 1989
Tourist room in a construction camp bunkhouse, Newhalem, 19
92. Tourist room in a construction camp bunkhouse, Newhalem, 19
Aerial view of Newhalem showing tourist dormitories under construction, 1935
93. Aerial view of Newhalem showing tourist dormitories under construction, 1935
View of the community of Diablo, including the Diablo Powerhouse and incline railway, from Highway 20,
94. View of the community of Diablo, including the Diablo Powerhouse and incline railway, from Highway 20, July 1989
Construction of concrete culvert underneath Northern Pacific Railway at Buckley, WA, May 25, 1911
95. Construction of concrete culvert underneath Northern Pacific Railway at Buckley, WA, May 25, 1911
Laying cement in the switchyard, where the transformers will be located, for the Diablo Powerhouse, May
96. Laying cement in the switchyard, where the transformers will be located, for the Diablo Powerhouse, May 1935
Relief valve piston, Diablo Powerhouse, April 1936
97. Relief valve piston, Diablo Powerhouse, April 1936
Control room, Diablo Powerhouse, July 1989
98. Control room, Diablo Powerhouse, July 1989
Diablo Powerhouse interior, showing construction of the generator, August 1936
99. Diablo Powerhouse interior, showing construction of the generator, August 1936
Transmission line poles east of Sumner, August 10, 1903
100. Transmission line poles east of Sumner, August 10, 1903
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