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results 141-160 of 97792 item(s)  page 8 of 4890 : ( <<  1  2  3  4  5  6  7  8  9  10  >> ) :: previous : next
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Masonry Dam under construction, October 16, 1913
141. Masonry Dam under construction, October 16, 1913
Suspension bridge built across Gorge Dam site on the Skagit River near Diamond Drill camp, October 17,
142. Suspension bridge built across Gorge Dam site on the Skagit River near Diamond Drill camp, October 17, 1919
Old Number Six, the steam locomotive used by Seattle City Light on their tourist railroad from Marblemount
143. Old Number Six, the steam locomotive used by Seattle City Light on their tourist railroad from Marblemount to Diablo, now a tourist attraction in Newhalem, 1989
Ross Crypt showing granite-carved tomb containing the graves of J.D. Ross and his wife Alice, Ross Mountain,
144. Ross Crypt showing granite-carved tomb containing the graves of J.D. Ross and his wife Alice, Ross Mountain, July 1989
Interior of headhouse for the Diablo Dam incline railway, showing cable and drums for lily hoist, July
145. Interior of headhouse for the Diablo Dam incline railway, showing cable and drums for lily hoist, July 1989
Construction site of the Gorge High Dam showing the old 1950 masonry dam to the right, August 2, 1956
146. Construction site of the Gorge High Dam showing the old 1950 masonry dam to the right, August 2, 1956
Timber lining of flume under construction, May 6, 1911
147. Timber lining of flume under construction, May 6, 1911
Ross Dam, July 1989
148. Ross Dam, July 1989
Construction of Gorge Powerhouse, showing generating units 21 and 22 (formerly units 1 and 2), January
149. Construction of Gorge Powerhouse, showing generating units 21 and 22 (formerly units 1 and 2), January 12, 1923
Detail view of Pelton butterfly and needle valves at elevation 1044 of Diablo Dam, July 1989
150. Detail view of Pelton butterfly and needle valves at elevation 1044 of Diablo Dam, July 1989
Left bank with engineering notes showing plans to raise the height of Ross Dam, September 14, 1944
151. Left bank with engineering notes showing plans to raise the height of Ross Dam, September 14, 1944
Original equipment in Diablo Powerhouse, Westinghouse type J rheostat, now used as backup, July 1989
152. Original equipment in Diablo Powerhouse, Westinghouse type J rheostat, now used as backup, July 1989
West facade of Ross Powerhouse with Ross Dam in background, July 1989
153. West facade of Ross Powerhouse with Ross Dam in background, July 1989
Workers beside cofferdam discharge pipeline under construction, Masonry Dam, March 26, 1912
154. Workers beside cofferdam discharge pipeline under construction, Masonry Dam, March 26, 1912
Full view of Ross Dam, July 1987
155. Full view of Ross Dam, July 1987
Newhalem Library, formerly the cooks' bunkhouse for the Skagit Hydroelectric Project employees, July
156. Newhalem Library, formerly the cooks' bunkhouse for the Skagit Hydroelectric Project employees, July 1989
Diablo Dam, July 1989
157. Diablo Dam, July 1989
Hydraulic mule used to open taintor gates on Diablo Dam, July 1989
158. Hydraulic mule used to open taintor gates on Diablo Dam, July 1989
Construction of concrete culvert underneath Northern Pacific Railway at Buckley, WA, May 25, 1911
159. Construction of concrete culvert underneath Northern Pacific Railway at Buckley, WA, May 25, 1911
Gorge Powerhouse interior, looking southwest at generator units 21, 22, and 23, July 1989
160. Gorge Powerhouse interior, looking southwest at generator units 21, 22, and 23, July 1989
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results 141-160 of 97792 item(s)  page 8 of 4890 : ( <<  1  2  3  4  5  6  7  8  9  10  >> ) :: previous : next
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