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results 181-200 of 132321 item(s)  page 10 of 6617 : ( <<  1  2  3  4  5  6  7  8  9  10  >> ) :: previous : next
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Layers of reinforcing bars at the tunnel intake, September 8, 1925
181. Layers of reinforcing bars at the tunnel intake, September 8, 1925
Partially completed dam with temporary forms for sluiceways on the left, February 16, 1925
182. Partially completed dam with temporary forms for sluiceways on the left, February 16, 1925
Workers building the dam on the Snoqualmie River above the falls, ca. 1898
183. Workers building the dam on the Snoqualmie River above the falls, ca. 1898
Snoqualmie Falls transformer house interior, 1910
184. Snoqualmie Falls transformer house interior, 1910

Hydroelectric power plant on the Snoqualmie River above the falls with Mount Si in the background, 1908
185. Hydroelectric power plant on the Snoqualmie River above the falls with Mount Si in the background, 1908
Power plant office and shop on the Snoqualmie River above the falls, ca. 1900
186. Power plant office and shop on the Snoqualmie River above the falls, ca. 1900
Diablo Dam Powerhouse under construction, July 13, 1931
187. Diablo Dam Powerhouse under construction, July 13, 1931
Sawmill construction at Lake Tapps, July 26, 1910
188. Sawmill construction at Lake Tapps, July 26, 1910

Panoramic view of powerhouse and Puyallup River, April 17, 2004
189. Panoramic view of powerhouse and Puyallup River, April 17, 2004
Walkway under construction on top of completed Diablo Dam, September 16, 1930
190. Walkway under construction on top of completed Diablo Dam, September 16, 1930
Fourth standpipe completed, with tailrace and Stuck River visible in distance to the west, February 26,
191. Fourth standpipe completed, with tailrace and Stuck River visible in distance to the west, February 26, 1925
Construction operations above Diablo Dam, May 7, 1928
192. Construction operations above Diablo Dam, May 7, 1928

Gravel grading equipment at Reflector Bar, with incline railway in background, March 1928
193. Gravel grading equipment at Reflector Bar, with incline railway in background, March 1928
Diablo Dam under construction, ca. 1928
194. Diablo Dam under construction, ca. 1928
Diablo Canyon, June 30, 1919
195. Diablo Canyon, June 30, 1919
Rotor spider on unit no. 1 turbine, Gorge Dam Powerhouse, September 17, 1923
196. Rotor spider on unit no. 1 turbine, Gorge Dam Powerhouse, September 17, 1923

Gorge Dam Powerhouse, West Portal of tunnel, and bridge, as seen from across the Skagit River, looking
197. Gorge Dam Powerhouse, West Portal of tunnel, and bridge, as seen from across the Skagit River, looking southeast, May 23, 1923
Workers standing in end of penstock pipe for power generating unit no. 3, Gorge Dam Powerhouse, August
198. Workers standing in end of penstock pipe for power generating unit no. 3, Gorge Dam Powerhouse, August 13, 1923
Worker standing beside steel lining of penstock at junction with main tunnel, Gorge Dam, February 9,
199. Worker standing beside steel lining of penstock at junction with main tunnel, Gorge Dam, February 9, 1924
Steam shovel working near trestle in Dingle Basin, July 1, 1910
200. Steam shovel working near trestle in Dingle Basin, July 1, 1910
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