Visual Materials
Big Creek Powerhouse #4 - Drilling at Heading
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Big Creek Powerhouse #4
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Big Creek Powerhouse #4 - Heading at surge chamber adit (left) Tunnel #2.
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Big Creek Powerhouse #4
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Big Creek Powerhouse #4 - Construction pictures taken by Dam & Tunnel office. [Construction crew drilling on tunnel 1 heading]
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Big Creek Powerhouse #4
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Big Creek Powerhouse #4 - Construction pictures taken by Dam & Tunnel office. [elevating empty railcar in tunnel to allow access to full railcar at tunnel heading.]
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Big Creek Powerhouse #4
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Big Creek Powerhouse #4 - Construction pictures taken by Dam & Tunnel Office. [Drilling at portal for Power Tunnel at Willow Creek]
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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
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Big Creek Powerhouse #4 - Construction pictures taken by Dam & Tunnel Office. [Hard rock miners drilling in Power Tunnel #2]
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