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results 181-200 of 87844 item(s)  page 10 of 4393 : ( <<  1  2  3  4  5  6  7  8  9  10  >> ) :: previous : next
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Forms for the creation of the main tunnel, in the center of the tunnel system, May 7, 1925
181. Forms for the creation of the main tunnel, in the center of the tunnel system, May 7, 1925
Workers on powerhouse roof laying rebar, August 3, 1925
182. Workers on powerhouse roof laying rebar, August 3, 1925
Excavation for powerhouse foundation, March 6, 1925
183. Excavation for powerhouse foundation, March 6, 1925
Crane operating at dam site, July 24, 1924
184. Crane operating at dam site, July 24, 1924
Marion steam shovel filling dump car with dirt at tunnel excavation, February 8, 1911
185. Marion steam shovel filling dump car with dirt at tunnel excavation, February 8, 1911
Crane in operation, looking south from dam site, August 28, 1924
186. Crane in operation, looking south from dam site, August 28, 1924
Bridge and entrance to tunnel at the dam site, May 29, 1924
187. Bridge and entrance to tunnel at the dam site, May 29, 1924
Reinforcing mat and rock formation that will be below the no. 1 generating unit in the powerhouse, May
188. Reinforcing mat and rock formation that will be below the no. 1 generating unit in the powerhouse, May 8, 1925
North side of dam during construction, June 20, 1925
189. North side of dam during construction, June 20, 1925
Masonry Dam under construction, June 13, 1913
190. Masonry Dam under construction, June 13, 1913
North side of dam with gate guides in place, September 12, 1925
191. North side of dam with gate guides in place, September 12, 1925
Powerhouse foundation, showing draft tubes for generating units, May 12, 1925
192. Powerhouse foundation, showing draft tubes for generating units, May 12, 1925
Railroad trestle construction between the powerhouse and dam sites, June 30, 1924
193. Railroad trestle construction between the powerhouse and dam sites, June 30, 1924
Workers' camp with Sauk Mountain in background, November 16, 1924
194. Workers' camp with Sauk Mountain in background, November 16, 1924
South side of powerhouse, nearly complete, September 21, 1925
195. South side of powerhouse, nearly complete, September 21, 1925
Main turbine room of powerhouse during construction, September 16, 1925
196. Main turbine room of powerhouse during construction, September 16, 1925
Construction of a railroad trestle across a northern arm of Lake Tapps, June 1, 1910
197. Construction of a railroad trestle across a northern arm of Lake Tapps, June 1, 1910
Construction workers at tunnel entrance, ca. 1900
198. Construction workers at tunnel entrance, ca. 1900
Power house interior showing Pelton water wheel in underground chamber, 1900
199. Power house interior showing Pelton water wheel in underground chamber, 1900
Construction crew at work on the intake at Snoqualmie Falls, 1900
200. Construction crew at work on the intake at Snoqualmie Falls, 1900
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results 181-200 of 87844 item(s)  page 10 of 4393 : ( <<  1  2  3  4  5  6  7  8  9  10  >> ) :: previous : next
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