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 - Mammoth Pool - Excavation of diversion tunnel bypass piping.
photCL SCE 06 - 45181

Visual Materials
Big Creek - Mammoth Pool - Diversion tunnel entrance - gate structure excavation.
photCL SCE 06 - 45182

Visual Materials
Big Creek - Mammoth Pool - Bypass Tunnel.
photCL SCE 06 - 45202

Visual Materials
Big Creek - Mammoth Pool - Bypass Tunnel.
photCL SCE 06 - 45203

Visual Materials
Big Creek - Mammoth Pool - Night work on diversion tunnel intake excavation.
photCL SCE 06 - 45139

Visual Materials
Big Creek - Mammoth Pool - Open cut excavation of diversion tunnel intake.
photCL SCE 06 - 45140