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 - Mono tunnel outlet at left, and Bear tunnel outlet at right, at the north end of the Mono-Bear Siphon. (Powder shown at point of truck delivery, for transfer by car to magazine.) - Camp 82 .
photCL SCE 02 - 14350

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 - 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 - Looking across south fork of San Joaquin river over Camp 84 in center of picture, showing general topography and Mono-Bear siphon extending up almost to the outlet of the Mono and Bear tunnels.
photCL SCE 02 - 14387

Visual Materials
Big Creek, Mono-Bear Diversion - Arrangement outlet of Mono-Bear Tunnel. Same as [14746] but being a little closer view. A better view of the house for the thermometer installation is shown between the tree and the outlet of the Bear Tunnel. The thermometer for the end of the Mono Tunnel is now installed near the outlet of same and between the portal and the expansion joint.
photCL SCE 02 - 14747
Image not available
Visual Materials
Views of Bear Dam, Mono Dam, Mono-Bear pipelines and diversions, and Huntington -Shaver diversions. Construction of Bear Creek Dam and intake structure, and Mono Creek Dam and intake structure, logging area for Mono Creek reservoir, pipeline crossing south fork of San Joaquin River, Camps 71, 72, 73, 80, 81, 82, 83, and 85; Mono-Bear siphon, backfilled siphon and pipeline, tunnels, pipeline installations, outlets of Mono and Bear Tunnels, intake of Bear Tunnel at Camp 86, Intake of Mono tunnel, Big Creek siphon, duplex valve on Huntington-Pitman-Shaver conduit and tunnel, intake for conduit at Dam 2, Warehouse, Mess hall and Hospital at Camp 73.
photCL SCE