Visual Materials
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 - Rock Creek Bore-hole.
photCL SCE 06 - 46026

Visual Materials
Big Creek - Mammoth Pool - Gate shaft drill hole.
photCL SCE 06 - 45751

Visual Materials
Big Creek - Mammoth Pool - Drill rig from gate shaft drill hole.
photCL SCE 06 - 45752

Visual Materials
Big Creek - Mammoth Pool - Mammoth Pool Power Tunnel core hole drill boxes for contractor inspection.
photCL SCE 06 - 45192

Visual Materials
Big Creek, Mammoth Pool - Location shot of bore hole adjacent to Ross Creek, as determined by overhead survey 1952.
photCL SCE 02 - 40333

Visual Materials
Big Creek, Mammoth Pool - View looking north across Ross Creek from a point on tunnel centerline approx. 50' south of bore hole. Tunnel centerline located approximately on accompanying point.
photCL SCE 02 - 40334