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, Mono-Bear Diversion - Outlet portal of short tunnel on Mono Bear Siphon just below the outlets of the Mono and Bear Tunnels.
photCL SCE 02 - 14384

Visual Materials
Big Creek, Mono-Bear Diversion - Camp 82 at the outlet of the Mono and Bear Tunnels; showing topography and tent house cabins.
photCL SCE 02 - 14324a

Visual Materials
Big Creek, Mono-Bear Diversion - Link Belt gasoline operated shovel being used as crane, handling wye piece at outlet ends of Mono and Bear tunnels. Wye branch being set at north end of Mono-Bear Siphon.
photCL SCE 02 - 14726

Visual Materials
Big Creek, Mono-Bear Diversion - Showing some more of typical backfill on the Mono-Bear siphon on the section between the river and Camp 82.
photCL SCE 02 - 14752

Visual Materials
Big Creek, Mono-Bear Diversion - Excavation of Mono-Bear Siphon in progress between top of hill north of San Joaquin river and outlet of Mono and Bear tunnels.
photCL SCE 02 - 14388

Visual Materials
Big Creek, Mono-Bear Diversion - Looking southwest along Mono-Bear Siphon, showing tunnel at Station 53+16 in foreground. Anchor #11 is shown at top of hill.
photCL SCE 02 - 14715