Opening Hours
Daily: 10 A.M.–5 P.M.
Closed on Tuesdays
1151 Oxford Road
San Marino, CA 91108
Visual Materials
Daily: 10 A.M.–5 P.M.
Closed on Tuesdays
1151 Oxford Road
San Marino, CA 91108
Visual Materials
Big Creek - Mammoth Pool - Outlet portal construction operation.
photCL SCE 06 - 45666
Visual Materials
Big Creek - Mammoth Pool - Outlet portal of diversion tunnel.
photCL SCE 06 - 45253
Visual Materials
Big Creek - Mammoth Pool - Power tunnel outlet portal site.
photCL SCE 06 - 45330
Visual Materials
Big Creek - Mammoth Pool - Excavation at outlet portal of power tunnel.
photCL SCE 06 - 45331
Visual Materials
Big Creek - Mammoth Pool - Laying track at power tunnel outlet portal.
photCL SCE 06 - 45414
Visual Materials
Big Creek - Mammoth Pool - Developing outlet portal area of power tunnel.
photCL SCE 06 - 45340