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results 1-20 of 819 item(s)  page 1 of 41 : ( <<  1  2  3  4  5  6  7  8  9  10  >> ) :: previous : next
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Patch of Bear Grass, n.d.
1. Patch of Bear Grass, n.d.
Perry Johanson house entrance, ca. 1955
2. Perry Johanson house entrance, ca. 1955
Workers on powerhouse roof laying rebar, August 3, 1925
3. Workers on powerhouse roof laying rebar, August 3, 1925
Workers on the roof of the powerhouse laying rebar, August 3, 1925
4. Workers on the roof of the powerhouse laying rebar, August 3, 1925

Man standing in concrete-lined tunnel between dam and the four penstocks going to the powerhouse, October
5. Man standing in concrete-lined tunnel between dam and the four penstocks going to the powerhouse, October 22, 1925
Main turbine room of powerhouse during construction, September 16, 1925
6. Main turbine room of powerhouse during construction, September 16, 1925
Generating units 1 and 2 installed in the powerhouse, August 26, 1925
7. Generating units 1 and 2 installed in the powerhouse, August 26, 1925
Powerhouse interior showing generating unit no. 2, August 13, 1925
8. Powerhouse interior showing generating unit no. 2, August 13, 1925

Powerhouse under construction, June 29, 1925
9. Powerhouse under construction, June 29, 1925
Powerhouse and dam during construction process, September 12, 1925
10. Powerhouse and dam during construction process, September 12, 1925
Powerhouse foundation, showing draft tubes for generating units, May 12, 1925
11. Powerhouse foundation, showing draft tubes for generating units, May 12, 1925
Powerhouse after dam completion, October 20, 1925
12. Powerhouse after dam completion, October 20, 1925

Powerhouse, nearly complete, September 16, 1925
13. Powerhouse, nearly complete, September 16, 1925
Snoqualmie Falls with completed above ground portion of the power plant and workers' cottages, 1908
14. Snoqualmie Falls with completed above ground portion of the power plant and workers' cottages, 1908
Man in surge chamber before penstock tunnel was opened for operation, October 22, 1925
15. Man in surge chamber before penstock tunnel was opened for operation, October 22, 1925
South side of powerhouse, nearly complete, September 21, 1925
16. South side of powerhouse, nearly complete, September 21, 1925

Snoqualmie Falls transformer house interior, 1910
17. Snoqualmie Falls transformer house interior, 1910
Man posed next to turbine water wheel in powerhouse, with pressure regulators to the right, n.d.
18. Man posed next to turbine water wheel in powerhouse, with pressure regulators to the right, n.d.
Air pipe installation for penstocks next to powerhouse, September 7, 1911
19. Air pipe installation for penstocks next to powerhouse, September 7, 1911
Wood frame construction of the powerhouse, August 11, 1911
20. Wood frame construction of the powerhouse, August 11, 1911
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