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 - Concrete pour at diversion tunnel portal at night.
photCL SCE 06 - 45244

Visual Materials
Big Creek - Mammoth Pool - Concrete pour at diversion tunnel portal at night.
photCL SCE 06 - 45243

Visual Materials
Big Creek - Mammoth Pool - Concrete pour at entrance of diversion tunnel
photCL SCE 06 - 45190

Visual Materials
Big Creek - Mammoth Pool - Concrete forming at diversion tunnel portal.
photCL SCE 06 - 45231

Visual Materials
Big Creek - Mammoth Pool - Setting concrete forms at diversion tunnel portal.
photCL SCE 06 - 45212

Visual Materials
Big Creek - Mammoth Pool - Placement of concrete forms prior to pour at diversion tunnel entrance.
photCL SCE 06 - 45185