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 - Tunnel portal showing rock to be removed.
photCL SCE 06 - 45198
Visual Materials
Big Creek - Mammoth Pool - Tunnel portal showing rock to be removed.
photCL SCE 06 - 45199
Visual Materials
Big Creek - Mammoth Pool - Tunnel portal showing rock to be removed.
photCL SCE 06 - 45201
Visual Materials
Big Creek - Mammoth Pool - Removing rock from diversion tunnel portal.
photCL SCE 06 - 45205
Visual Materials
Big Creek - Mammoth Pool - Top of tunnel portal after removal of rock.
photCL SCE 06 - 45208
Visual Materials
Big Creek - Mammoth Pool - Preparing to remove rock above diversion tunnel portal.
photCL SCE 06 - 45204