Visual Materials
Big Creek Powerhouse #4
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Big Creek Powerhouse #4
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Big Creek Powerhouse #4 - Concrete wall foundation
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Big Creek Powerhouse #4
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Big Creek Powerhouse #4 - North end of Dam 7 during flood, showing backfill washed-out below submerged concrete wall.
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Big Creek Powerhouse #4
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Big Creek Powerhouse #4 - Construction pictures taken by Dam & Tunnel Office. [concrete form construction area]
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Big Creek Powerhouse #4
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Big Creek Powerhouse #4 - River wall of Powerhouse.
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Big Creek Powerhouse #4
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Big Creek Powerhouse #4 - River wall of Powerhouse.
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Big Creek Powerhouse #4
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Big Creek Powerhouse #4 - Experimental pozzolan concrete.
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