Visual Materials
Big Creek Powerhouse #4
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Big Creek Powerhouse #4
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Big Creek Powerhouse #4 - Facing up portal at outlet of Tongridge Tunnel.
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Big Creek Powerhouse #4
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Big Creek Powerhouse #4 - Construction pictures taken by Dam & Tunnel Office. [excavation at Tunnel #1 outlet portal]
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Big Creek Powerhouse #4
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Big Creek Powerhouse #4 - Construction pictures taken by Dam & Tunnel Office. [excavation at Tunnel #1 outlet portal]
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Big Creek Powerhouse #4
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Big Creek Powerhouse #4 - Construction pictures taken by Dam & Tunnel office. [Railroad arc set-up to allow movement of Anchor Tower for concrete delivery bucket hoist]
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Big Creek Powerhouse #4
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Big Creek Powerhouse #4 - Construction pictures taken by Dam & Tunnel office. [Trestle at Willow Creek Crossing, looking towards Tunnel #1 outlet portal]
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Big Creek Powerhouse #4
Visual Materials
Big Creek Powerhouse #4 - Construction pictures taken by Dam & Tunnel office. [Aggregate Plant and construction for Power Tunnel #1 at outlet portal - Willow Creek Crossing]
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