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results 121-140 of 130648 item(s)  page 7 of 6533 : ( <<  1  2  3  4  5  6  7  8  9  10  >> ) :: previous : next
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Men on timber structures on the Skagit River, doing early exploration work at the Ruby Dam site, October
121. Men on timber structures on the Skagit River, doing early exploration work at the Ruby Dam site, October 19, 1919
Constructing a circular penstock forebay at the western end of the main tunnel, June 15, 1911
122. Constructing a circular penstock forebay at the western end of the main tunnel, June 15, 1911
Building a trestle as part of the railroad construction project from Rockport to Newhalem, August 11,
123. Building a trestle as part of the railroad construction project from Rockport to Newhalem, August 11, 1920
Site of Ruby Dam and reservoir on the Skagit River, ca. 1919
124. Site of Ruby Dam and reservoir on the Skagit River, ca. 1919
Workers building a bridge across the Gorge Dam site, October 22, 1919
125. Workers building a bridge across the Gorge Dam site, October 22, 1919
Diablo Powerhouse interior looking north from the south end of the cooling water pipe gallery, water
126. Diablo Powerhouse interior looking north from the south end of the cooling water pipe gallery, water cleaner in foreground, July 1989
Interior of headhouse for the Diablo Dam incline railway, showing cable and drums for lily hoist, July
127. Interior of headhouse for the Diablo Dam incline railway, showing cable and drums for lily hoist, July 1989
Interior of dining hall for construction workers, with tables set for meal and numbered seats, Masonry
128. 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
129. Gorge Powerhouse showing the 1924 section on right and the 1940s section on left, July 1989
Truck crossing suspension bridge at Ruby Dam during initial construction, 1938
130. Truck crossing suspension bridge at Ruby Dam during initial construction, 1938
Detail view of Pelton butterfly and needle valves at elevation 1044 of Diablo Dam, July 1989
131. Detail view of Pelton butterfly and needle valves at elevation 1044 of Diablo Dam, July 1989
North facade of Newhalem powerhouse with tailrace on the right, July 1987
132. North facade of Newhalem powerhouse with tailrace on the right, July 1987
Ross Powerhouse interior looking east at generating units 41 42, 43 and 44, July 1989
133. Ross Powerhouse interior looking east at generating units 41 42, 43 and 44, July 1989
Canal excavation at dam headworks, August 4, 1910
134. Canal excavation at dam headworks, August 4, 1910
Hydraulic mule used to open taintor gates on Diablo Dam, July 1989
135. Hydraulic mule used to open taintor gates on Diablo Dam, July 1989
Laying cement in the switchyard, where the transformers will be located, for the Diablo Powerhouse, May
136. Laying cement in the switchyard, where the transformers will be located, for the Diablo Powerhouse, May 1935
Diablo Canyon looking downstream from valve house of dam, July 1989
137. Diablo Canyon looking downstream from valve house of dam, July 1989
Powerhouse interior showing placement of water wheel for generating unit no. 3 using 50-ton crane, June
138. Powerhouse interior showing placement of water wheel for generating unit no. 3 using 50-ton crane, June 8, 1904
Laying main pipe on E. Harrison St., Seattle, September 8, 1899
139. Laying main pipe on E. Harrison St., Seattle, September 8, 1899
Inside view of a section of wooden stave pipe during testing, March 8, 1900
140. Inside view of a section of wooden stave pipe during testing, March 8, 1900
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