Visual Materials
Big Creek #1
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Big Creek, Florence Lake Dam - Intrados Arch #26
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Big Creek, Florence Lake Dam - Intrados Arch #26 - Close-up of surface showing Sodium Carbonate efflorescence, Calcium Carbonate deposits, and areas with spalling concrete.
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Big Creek Powerhouse #3 - PH #3 - South face of north handrail
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Big Creek Powerhouse #3 - PH #3 - South face of north handrail - spalling caused by Sodium Carbonate.
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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 - Concrete wall foundation
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Big Creek Powerhouse #4
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Big Creek Powerhouse #4 - Concrete wall area.
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Big Creek Powerhouse #4
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Big Creek Powerhouse #4 - [Dam 7] Typical concrete and heavy vibrator.
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