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 - 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 - 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 - Surge Tank model test. Dr. Knapp in center.
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Big Creek Powerhouse #3 - PH #3
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Big Creek Powerhouse #3 - PH #3 - Macco preparations for sand trap construction and penstock painting.
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Big Creek Powerhouse #3 - PH 3
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Big Creek Powerhouse #3 - PH 3 - Pile of sand, boulders, and debris in Tunnel #3 surge chamber.
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