Visual Materials
Big Creek Powerhouse #4 - Progress pictures (from Group 1)
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Big Creek Powerhouse #4 - Progress pictures (from Group 1)
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Big Creek Powerhouse #4 - Progress pictures (from Group 1) - Dam 7 looking north along axis. Inlet tunnel portal at lower left.
photCL SCE 02 - 40629

Big Creek Powerhouse #4 - Progress pictures (from Group 1)
Visual Materials
Big Creek Powerhouse #4 - Progress pictures (from Group 1) - Pouring concrete for block 10. Inlet portal of power tunnel shown at top just right of center. Block 8 ready for next 5' lift of concrete.
photCL SCE 02 - 40609

Big Creek Powerhouse #4 - Progress pictures (from Group 1)
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Big Creek Powerhouse #4 - Progress pictures (from Group 1) - Completion of 20' diversion tunnel plug at Dam 7.
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Big Creek Powerhouse #4 - Progress pictures (from Group 1)
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Big Creek Powerhouse #4 - Progress pictures (from Group 1) - Dam 7 Intake conduit. Facing east portal of 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. [upper inlet portal of Dam 7 construction diversion tunnel with bypass flow]
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Big Creek Powerhouse #4 - Progress pictures (from Group 1)
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Big Creek Powerhouse #4 - Progress pictures (from Group 1) - General view from Long Ridge, showing reservoir clearing, dam site, quarry, aggregate plant, tunnel portal, and temporary trestle across Willow Creek.
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