Visual Materials
Big Creek Powerhouse #3 - PH 3
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Big Creek Powerhouse #3 - PH #3
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Big Creek Powerhouse #3 - PH #3 - Outlet surge tank sand trap tunnel.
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Big Creek Powerhouse #3 - PH #3
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Big Creek Powerhouse #3 - PH #3 - Tunnel and Surge Tank model test.
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Big Creek Powerhouse #3 - PH 3
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Big Creek Powerhouse #3 - PH 3 - Tunnel 3 outlet trash rack partly cleaned of debris and tubercules (?).
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Big Creek Powerhouse #3 - PH #3
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Big Creek Powerhouse #3 - PH #3 - Going underground with sand trap tunnel.
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Big Creek Powerhouse #3 - PH #3
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Big Creek Powerhouse #3 - PH #3 - Tunnel outlet and surge tank model test at Calif. Institute of Technology.
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Big Creek Powerhouse #3 - PH 3
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Big Creek Powerhouse #3 - PH 3 - Tunnel 3 outlet trash rack partly cleaned of debris. Large boulder in front of trash rack fell from roof after tunnel was completed.
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