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results 201-220 of 16148 item(s)  page 11 of 808 : ( <<  11  12  13  14  15  16  17  18  19  20  >> ) :: previous : next
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Tourists visiting Diablo Dam, ca. 1933
201. Tourists visiting Diablo Dam, ca. 1933
Spillgates of Gorge High Dam as seen from the intake, July 1989
202. Spillgates of Gorge High Dam as seen from the intake, July 1989
Gorge High Dam, showing unusually high water in Gorge Lake, July 1989
203. Gorge High Dam, showing unusually high water in Gorge Lake, July 1989
Construction site of the Gorge High Dam showing the old 1950 masonry dam to the right, August 2, 1956
204. Construction site of the Gorge High Dam showing the old 1950 masonry dam to the right, August 2, 1956
View from roof of the Gorge Powerhouse, looking west to the switchyard with the Pratt truss vehicle bridge
205. View from roof of the Gorge Powerhouse, looking west to the switchyard with the Pratt truss vehicle bridge to the right, July 1989
Interior of dining hall for construction workers, with tables set for meal and numbered seats, Masonry
206. Interior of dining hall for construction workers, with tables set for meal and numbered seats, Masonry Dam, 1913
Gorge Powerhouse showing the 1924 section on right and the 1940s section on left, July 1989
207. Gorge Powerhouse showing the 1924 section on right and the 1940s section on left, July 1989
Timber lining of flume under construction, May 6, 1911
208. Timber lining of flume under construction, May 6, 1911
Turbine pit area of Gorge Powerhouse, showing relief valve for generating unit 23 in foreground and governor
209. Turbine pit area of Gorge Powerhouse, showing relief valve for generating unit 23 in foreground and governor oil tanks and pumps in the left rear, July 1989
Ross Dam, July 1989
210. Ross Dam, July 1989
Truck crossing suspension bridge at Ruby Dam during initial construction, 1938
211. Truck crossing suspension bridge at Ruby Dam during initial construction, 1938
Gorge Inn Suspension Bridge over the Skagit River showing the Gorge Powerhouse on the right, Newhalem,
212. Gorge Inn Suspension Bridge over the Skagit River showing the Gorge Powerhouse on the right, Newhalem, July 1989
Excavation in the Glory Hole at the Ruby Dam site, 1938
213. Excavation in the Glory Hole at the Ruby Dam site, 1938
Harnischfeger bridge crane being placed in position during construction of the Diablo Powerhouse, May
214. Harnischfeger bridge crane being placed in position during construction of the Diablo Powerhouse, May 1935
Steam shovel excavating powerhouse foundation, February 2, 1911
215. Steam shovel excavating powerhouse foundation, February 2, 1911
Diablo Powerhouse under construction showing incline railway and construction camp, Reflector Bar, Skagit
216. Diablo Powerhouse under construction showing incline railway and construction camp, Reflector Bar, Skagit River, ca. 1934
Diablo Powerhouse interior showing the upper oil room with Sharples oil centrifuge, July 1989
217. Diablo Powerhouse interior showing the upper oil room with Sharples oil centrifuge, July 1989
Men at entrance to concrete tunnel at Masonry Dam, April 7, 1913
218. Men at entrance to concrete tunnel at Masonry Dam, April 7, 1913
Newhalem Creek looking downstream to diversion dam and intake for powerhouse, July 1989
219. Newhalem Creek looking downstream to diversion dam and intake for powerhouse, July 1989
Southwest view of Newhalem powerhouse interior, showing two Pelton water wheels, generator, and exciter,
220. Southwest view of Newhalem powerhouse interior, showing two Pelton water wheels, generator, and exciter, July 1987
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