Visual Materials
Big Creek Powerhouse #4
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Big Creek Powerhouse #4
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Big Creek Powerhouse #4 - Construction pictures taken by Dam & Tunnel Office. [dozer at work inside tunnel]
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Big Creek Powerhouse #4 - Construction pictures taken by Dam & Tunnel office. [Drilling rig inside Power Tunnel #1]
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Big Creek Powerhouse #4
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Big Creek Powerhouse #4 - Construction pictures taken by Dam & Tunnel Office. [Men in power tunnel]
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Big Creek Powerhouse #4 - Construction pictures taken by Dam & Tunnel office. [Lights being installed in Foundation Gallery inside Dam 7]
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Big Creek Powerhouse #4 - Construction pictures taken by Dam & Tunnel office. Diversion Tunnel "Holing Thru". [Men in Tunnel #1]
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Big Creek Powerhouse #4
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Big Creek Powerhouse #4 - Construction pictures taken by Dam & Tunnel Office. [Men standing by tunnel mucker in Tunnel 2.]
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