Opening Hours
Daily: 10 A.M.–5 P.M.
Closed on Tuesdays
1151 Oxford Road
San Marino, CA 91108
Daily: 10 A.M.–5 P.M.
Closed on Tuesdays
1151 Oxford Road
San Marino, CA 91108

Visual Materials
Big Creek Powerhouse #4 - Construction pictures taken by Dam & Tunnel office. Diversion Tunnel "Holing Thru".
photCL SCE 02 - 42330

Visual Materials
Big Creek Powerhouse #4 - Construction pictures taken by Dam & Tunnel office. Diversion Tunnel "Holing Thru".
photCL SCE 02 - 42331

Visual Materials
Big Creek Powerhouse #4 - Construction pictures taken by Dam & Tunnel office. Diversion Tunnel #1 "Holing Thru".
photCL SCE 02 - 42326

Visual Materials
Big Creek Powerhouse #4 - Construction pictures taken by Dam & Tunnel office. Diversion Tunnel #1 "Holing Thru".
photCL SCE 02 - 42327

Visual Materials
Big Creek Powerhouse #4 - Construction pictures taken by Dam & Tunnel office. Diversion Tunnel "Holing Thru". [Men in Tunnel #1]
photCL SCE 02 - 42329

Visual Materials
Big Creek Powerhouse #4 - Construction pictures taken by Dam & Tunnel office. Diversion Tunnel "Holing Thru". [Men shaking hands in Tunnel #1]
photCL SCE 02 - 42328