Visual Materials
Big Creek Powerhouse #4
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Big Creek Powerhouse #4
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Big Creek Powerhouse #4 - excavation in riverbed for Dam #7 foundation.
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Big Creek Powerhouse #4
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Big Creek Powerhouse #4 - Construction pictures taken by Dam & Tunnel office. [Dam 7 excavation in riverbed]
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Big Creek Powerhouse #4 - Progress pictures (from Group 1)
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Big Creek Powerhouse #4 - Progress pictures (from Group 1) - Final excavation of damsite, shovel is in riverbed, men scaling south abutment.
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Big Creek Powerhouse #4
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Big Creek Powerhouse #4 - Excavation for Big Creek Powerhouse #4
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Big Creek Powerhouse #4
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Big Creek Powerhouse #4 - Powerhouse excavation.
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Big Creek Powerhouse #4
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Big Creek Powerhouse #4 - Construction pictures taken by Dam & Tunnel Office. [Big Creek 4 excavation]
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