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. 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. Diversion Tunnel "Holing Thru". [Men shaking hands 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 posed in group where Tunnel #2 holed thru]
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Big Creek Powerhouse #4
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Big Creek Powerhouse #4 - Construction pictures taken by Dam & Tunnel Office. [Hard rock miner drilling in Power Tunnel #2]
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Big Creek Powerhouse #4
Visual Materials
Big Creek Powerhouse #4 - Construction pictures taken by Dam & Tunnel Office. [Hard rock miners drilling in Power Tunnel #2]
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Big Creek Powerhouse #4
Visual Materials
Big Creek Powerhouse #4 - Construction pictures taken by Dam & Tunnel Office. [Hard rock miners drilling in Power Tunnel #2]
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