Daily: 10 A.M.–5 P.M.
Closed on Tuesdays
1151 Oxford Road
San Marino, CA 91108
Visual Materials
Big Creek Powerhouse #4 - Stripping tunnel portal East of Willow Creek
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Visual Materials
Big Creek Powerhouse #4 - Open cut tunnel portal East of Willow Creek.
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Visual Materials
Big Creek Powerhouse #4 - Portal stripping, Willow Creek tunnel.
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Visual Materials
Big Creek Powerhouse #4 - Looking west across Willow Creek bridge to Tunnel Portal.
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Visual Materials
Big Creek Powerhouse #4 - Looking from Outlet Portal of Tunnel #1 across Willow Creek. Intake Portal of Tunnel #2 in background.
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Visual Materials
Big Creek Powerhouse #4 - Construction pictures taken by Dam & Tunnel office. [View from Power Tunnel #2 intake portal to Power Tunnel #1 outlet portal at Willow Creek Crossing.]
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