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 - 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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